Home / 28,447,713.20-42,690,232.20-16,317,153.20

Finding the Fourth Proportional to 28,447,713.20, 42,690,232.20 and 16,317,153.20

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Solution

The fourth proportional to 28,447,713.20, 42,690,232.20 and 16,317,153.20 is: 24,486,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,713.20 : 42,690,232.20 = 16,317,153.20 : x
  2. Step 2: Convert to fraction form
    28,447,713.20/42,690,232.20 = 16,317,153.20/x
  3. Step 3: Cross multiply
    28,447,713.20x = 42,690,232.20 × 16,317,153.20
  4. Step 4: Simplify right side
    28,447,713.20x = 696,583,058,950,973
  5. Step 5: Solve for x
    x = 696,583,058,950,973/28,447,713.20
  6. Step 6: Final answer
    x = 24,486,434.25

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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.