Home / 28,420,491.52-42,612,407.43-11,150,437.78

Finding the Fourth Proportional to 28,420,491.52, 42,612,407.43 and 11,150,437.78

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Solution

The fourth proportional to 28,420,491.52, 42,612,407.43 and 11,150,437.78 is: 16,718,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,491.52 : 42,612,407.43 = 11,150,437.78 : x
  2. Step 2: Convert to fraction form
    28,420,491.52/42,612,407.43 = 11,150,437.78/x
  3. Step 3: Cross multiply
    28,420,491.52x = 42,612,407.43 × 11,150,437.78
  4. Step 4: Simplify right side
    28,420,491.52x = 475,146,997,704,224.69
  5. Step 5: Solve for x
    x = 475,146,997,704,224.69/28,420,491.52
  6. Step 6: Final answer
    x = 16,718,465.17

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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.