Home / 21,248,941.60-31,873,412.40-16,625,404.90

Finding the Fourth Proportional to 21,248,941.60, 31,873,412.40 and 16,625,404.90

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Solution

The fourth proportional to 21,248,941.60, 31,873,412.40 and 16,625,404.90 is: 24,938,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,941.60 : 31,873,412.40 = 16,625,404.90 : x
  2. Step 2: Convert to fraction form
    21,248,941.60/31,873,412.40 = 16,625,404.90/x
  3. Step 3: Cross multiply
    21,248,941.60x = 31,873,412.40 × 16,625,404.90
  4. Step 4: Simplify right side
    21,248,941.60x = 529,908,386,694,680.75
  5. Step 5: Solve for x
    x = 529,908,386,694,680.75/21,248,941.60
  6. Step 6: Final answer
    x = 24,938,107.35

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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.