Home / 10,656,037.20-15,984,055.80-10,581,387.60

Finding the Fourth Proportional to 10,656,037.20, 15,984,055.80 and 10,581,387.60

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Solution

The fourth proportional to 10,656,037.20, 15,984,055.80 and 10,581,387.60 is: 15,872,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,037.20 : 15,984,055.80 = 10,581,387.60 : x
  2. Step 2: Convert to fraction form
    10,656,037.20/15,984,055.80 = 10,581,387.60/x
  3. Step 3: Cross multiply
    10,656,037.20x = 15,984,055.80 × 10,581,387.60
  4. Step 4: Simplify right side
    10,656,037.20x = 169,133,489,839,828.09
  5. Step 5: Solve for x
    x = 169,133,489,839,828.09/10,656,037.20
  6. Step 6: Final answer
    x = 15,872,081.40

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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.