Home / 15,247,400.76-21,041,713.98-8,371,822.68

Finding the Fourth Proportional to 15,247,400.76, 21,041,713.98 and 8,371,822.68

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Solution

The fourth proportional to 15,247,400.76, 21,041,713.98 and 8,371,822.68 is: 11,553,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,400.76 : 21,041,713.98 = 8,371,822.68 : x
  2. Step 2: Convert to fraction form
    15,247,400.76/21,041,713.98 = 8,371,822.68/x
  3. Step 3: Cross multiply
    15,247,400.76x = 21,041,713.98 × 8,371,822.68
  4. Step 4: Simplify right side
    15,247,400.76x = 176,157,498,323,837.06
  5. Step 5: Solve for x
    x = 176,157,498,323,837.06/15,247,400.76
  6. Step 6: Final answer
    x = 11,553,280.53

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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.