Home / 21,012,248.41-31,527,949.35-10,784,290.74

Finding the Fourth Proportional to 21,012,248.41, 31,527,949.35 and 10,784,290.74

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Solution

The fourth proportional to 21,012,248.41, 31,527,949.35 and 10,784,290.74 is: 16,181,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,248.41 : 31,527,949.35 = 10,784,290.74 : x
  2. Step 2: Convert to fraction form
    21,012,248.41/31,527,949.35 = 10,784,290.74/x
  3. Step 3: Cross multiply
    21,012,248.41x = 31,527,949.35 × 10,784,290.74
  4. Step 4: Simplify right side
    21,012,248.41x = 340,006,572,205,931.75
  5. Step 5: Solve for x
    x = 340,006,572,205,931.75/21,012,248.41
  6. Step 6: Final answer
    x = 16,181,351.26

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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.