Home / 28,459,068.39-39,273,527.04-15,406,326.88

Finding the Fourth Proportional to 28,459,068.39, 39,273,527.04 and 15,406,326.88

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Solution

The fourth proportional to 28,459,068.39, 39,273,527.04 and 15,406,326.88 is: 21,260,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459,068.39 : 39,273,527.04 = 15,406,326.88 : x
  2. Step 2: Convert to fraction form
    28,459,068.39/39,273,527.04 = 15,406,326.88/x
  3. Step 3: Cross multiply
    28,459,068.39x = 39,273,527.04 × 15,406,326.88
  4. Step 4: Simplify right side
    28,459,068.39x = 605,060,795,112,391.12
  5. Step 5: Solve for x
    x = 605,060,795,112,391.12/28,459,068.39
  6. Step 6: Final answer
    x = 21,260,737.95

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1.5x scale

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.