Home / 28,386,350.22-42,578,914.04-7,915,524.29

Finding the Fourth Proportional to 28,386,350.22, 42,578,914.04 and 7,915,524.29

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Solution

The fourth proportional to 28,386,350.22, 42,578,914.04 and 7,915,524.29 is: 11,873,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,350.22 : 42,578,914.04 = 7,915,524.29 : x
  2. Step 2: Convert to fraction form
    28,386,350.22/42,578,914.04 = 7,915,524.29/x
  3. Step 3: Cross multiply
    28,386,350.22x = 42,578,914.04 × 7,915,524.29
  4. Step 4: Simplify right side
    28,386,350.22x = 337,034,428,262,324
  5. Step 5: Solve for x
    x = 337,034,428,262,324/28,386,350.22
  6. Step 6: Final answer
    x = 11,873,115.98

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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.