Home / 28,459,080.63-39,273,543.98-15,406,339.11

Finding the Fourth Proportional to 28,459,080.63, 39,273,543.98 and 15,406,339.11

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Solution

The fourth proportional to 28,459,080.63, 39,273,543.98 and 15,406,339.11 is: 21,260,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459,080.63 : 39,273,543.98 = 15,406,339.11 : x
  2. Step 2: Convert to fraction form
    28,459,080.63/39,273,543.98 = 15,406,339.11/x
  3. Step 3: Cross multiply
    28,459,080.63x = 39,273,543.98 × 15,406,339.11
  4. Step 4: Simplify right side
    28,459,080.63x = 605,061,536,530,347.38
  5. Step 5: Solve for x
    x = 605,061,536,530,347.38/28,459,080.63
  6. Step 6: Final answer
    x = 21,260,754.85

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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.