Home / 11,153,812.80-16,730,719.20-10,481,966.40

Finding the Fourth Proportional to 11,153,812.80, 16,730,719.20 and 10,481,966.40

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Solution

The fourth proportional to 11,153,812.80, 16,730,719.20 and 10,481,966.40 is: 15,722,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,812.80 : 16,730,719.20 = 10,481,966.40 : x
  2. Step 2: Convert to fraction form
    11,153,812.80/16,730,719.20 = 10,481,966.40/x
  3. Step 3: Cross multiply
    11,153,812.80x = 16,730,719.20 × 10,481,966.40
  4. Step 4: Simplify right side
    11,153,812.80x = 175,370,836,502,234.88
  5. Step 5: Solve for x
    x = 175,370,836,502,234.88/11,153,812.80
  6. Step 6: Final answer
    x = 15,722,949.60

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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.