Home / 20,813,815.68-31,188,357.76-14,436,528

Finding the Fourth Proportional to 20,813,815.68, 31,188,357.76 and 14,436,528

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Solution

The fourth proportional to 20,813,815.68, 31,188,357.76 and 14,436,528 is: 21,632,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,813,815.68 : 31,188,357.76 = 14,436,528 : x
  2. Step 2: Convert to fraction form
    20,813,815.68/31,188,357.76 = 14,436,528/x
  3. Step 3: Cross multiply
    20,813,815.68x = 31,188,357.76 × 14,436,528
  4. Step 4: Simplify right side
    20,813,815.68x = 450,251,600,076,257.31
  5. Step 5: Solve for x
    x = 450,251,600,076,257.31/20,813,815.68
  6. Step 6: Final answer
    x = 21,632,343.01

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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.