Home / 9,154,804.80-13,732,207.20-5,123,726.40

Finding the Fourth Proportional to 9,154,804.80, 13,732,207.20 and 5,123,726.40

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Solution

The fourth proportional to 9,154,804.80, 13,732,207.20 and 5,123,726.40 is: 7,685,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154,804.80 : 13,732,207.20 = 5,123,726.40 : x
  2. Step 2: Convert to fraction form
    9,154,804.80/13,732,207.20 = 5,123,726.40/x
  3. Step 3: Cross multiply
    9,154,804.80x = 13,732,207.20 × 5,123,726.40
  4. Step 4: Simplify right side
    9,154,804.80x = 70,360,072,560,910.08
  5. Step 5: Solve for x
    x = 70,360,072,560,910.08/9,154,804.80
  6. Step 6: Final answer
    x = 7,685,589.60

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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.