Home / 26,819,843.10-40,229,764.65-9,781,071.90

Finding the Fourth Proportional to 26,819,843.10, 40,229,764.65 and 9,781,071.90

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Solution

The fourth proportional to 26,819,843.10, 40,229,764.65 and 9,781,071.90 is: 14,671,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819,843.10 : 40,229,764.65 = 9,781,071.90 : x
  2. Step 2: Convert to fraction form
    26,819,843.10/40,229,764.65 = 9,781,071.90/x
  3. Step 3: Cross multiply
    26,819,843.10x = 40,229,764.65 × 9,781,071.90
  4. Step 4: Simplify right side
    26,819,843.10x = 393,490,220,561,728.31
  5. Step 5: Solve for x
    x = 393,490,220,561,728.31/26,819,843.10
  6. Step 6: Final answer
    x = 14,671,607.85

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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.