Home / 42,518,942.40-63,787,744.80-13,766,404.80

Finding the Fourth Proportional to 42,518,942.40, 63,787,744.80 and 13,766,404.80

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Solution

The fourth proportional to 42,518,942.40, 63,787,744.80 and 13,766,404.80 is: 20,652,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,518,942.40 : 63,787,744.80 = 13,766,404.80 : x
  2. Step 2: Convert to fraction form
    42,518,942.40/63,787,744.80 = 13,766,404.80/x
  3. Step 3: Cross multiply
    42,518,942.40x = 63,787,744.80 × 13,766,404.80
  4. Step 4: Simplify right side
    42,518,942.40x = 878,127,916,195,895
  5. Step 5: Solve for x
    x = 878,127,916,195,895/42,518,942.40
  6. Step 6: Final answer
    x = 20,652,628.37

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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.