Home / 13,148,888.76-19,687,891.86-8,588,644.92

Finding the Fourth Proportional to 13,148,888.76, 19,687,891.86 and 8,588,644.92

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Solution

The fourth proportional to 13,148,888.76, 19,687,891.86 and 8,588,644.92 is: 12,859,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,888.76 : 19,687,891.86 = 8,588,644.92 : x
  2. Step 2: Convert to fraction form
    13,148,888.76/19,687,891.86 = 8,588,644.92/x
  3. Step 3: Cross multiply
    13,148,888.76x = 19,687,891.86 × 8,588,644.92
  4. Step 4: Simplify right side
    13,148,888.76x = 169,092,312,408,898.34
  5. Step 5: Solve for x
    x = 169,092,312,408,898.34/13,148,888.76
  6. Step 6: Final answer
    x = 12,859,817.70

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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.