Home / 21,278,400.60-31,917,600.90-14,783,885.40

Finding the Fourth Proportional to 21,278,400.60, 31,917,600.90 and 14,783,885.40

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Solution

The fourth proportional to 21,278,400.60, 31,917,600.90 and 14,783,885.40 is: 22,175,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278,400.60 : 31,917,600.90 = 14,783,885.40 : x
  2. Step 2: Convert to fraction form
    21,278,400.60/31,917,600.90 = 14,783,885.40/x
  3. Step 3: Cross multiply
    21,278,400.60x = 31,917,600.90 × 14,783,885.40
  4. Step 4: Simplify right side
    21,278,400.60x = 471,866,153,948,536.88
  5. Step 5: Solve for x
    x = 471,866,153,948,536.88/21,278,400.60
  6. Step 6: Final answer
    x = 22,175,828.10

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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.