Home / 28,514,632.72-42,775,534.68-13,942,039.36

Finding the Fourth Proportional to 28,514,632.72, 42,775,534.68 and 13,942,039.36

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Solution

The fourth proportional to 28,514,632.72, 42,775,534.68 and 13,942,039.36 is: 20,914,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,632.72 : 42,775,534.68 = 13,942,039.36 : x
  2. Step 2: Convert to fraction form
    28,514,632.72/42,775,534.68 = 13,942,039.36/x
  3. Step 3: Cross multiply
    28,514,632.72x = 42,775,534.68 × 13,942,039.36
  4. Step 4: Simplify right side
    28,514,632.72x = 596,378,188,153,605
  5. Step 5: Solve for x
    x = 596,378,188,153,605/28,514,632.72
  6. Step 6: Final answer
    x = 20,914,812.20

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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.