Home / 11,153,813.80-16,730,720.70-10,481,967.40

Finding the Fourth Proportional to 11,153,813.80, 16,730,720.70 and 10,481,967.40

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Solution

The fourth proportional to 11,153,813.80, 16,730,720.70 and 10,481,967.40 is: 15,722,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,813.80 : 16,730,720.70 = 10,481,967.40 : x
  2. Step 2: Convert to fraction form
    11,153,813.80/16,730,720.70 = 10,481,967.40/x
  3. Step 3: Cross multiply
    11,153,813.80x = 16,730,720.70 × 10,481,967.40
  4. Step 4: Simplify right side
    11,153,813.80x = 175,370,868,955,905.19
  5. Step 5: Solve for x
    x = 175,370,868,955,905.19/11,153,813.80
  6. Step 6: Final answer
    x = 15,722,951.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.