Home / 12,731,339.95-17,569,673.50-7,150,569.91

Finding the Fourth Proportional to 12,731,339.95, 17,569,673.50 and 7,150,569.91

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Solution

The fourth proportional to 12,731,339.95, 17,569,673.50 and 7,150,569.91 is: 9,868,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,339.95 : 17,569,673.50 = 7,150,569.91 : x
  2. Step 2: Convert to fraction form
    12,731,339.95/17,569,673.50 = 7,150,569.91/x
  3. Step 3: Cross multiply
    12,731,339.95x = 17,569,673.50 × 7,150,569.91
  4. Step 4: Simplify right side
    12,731,339.95x = 125,633,178,753,212.78
  5. Step 5: Solve for x
    x = 125,633,178,753,212.78/12,731,339.95
  6. Step 6: Final answer
    x = 9,868,024.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.