Home / 28,571,173.13-39,428,332.23-15,518,650.17

Finding the Fourth Proportional to 28,571,173.13, 39,428,332.23 and 15,518,650.17

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Solution

The fourth proportional to 28,571,173.13, 39,428,332.23 and 15,518,650.17 is: 21,415,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571,173.13 : 39,428,332.23 = 15,518,650.17 : x
  2. Step 2: Convert to fraction form
    28,571,173.13/39,428,332.23 = 15,518,650.17/x
  3. Step 3: Cross multiply
    28,571,173.13x = 39,428,332.23 × 15,518,650.17
  4. Step 4: Simplify right side
    28,571,173.13x = 611,874,494,869,957.12
  5. Step 5: Solve for x
    x = 611,874,494,869,957.12/28,571,173.13
  6. Step 6: Final answer
    x = 21,415,798.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.