Home / 13,148,887.76-19,687,890.36-8,588,643.92

Finding the Fourth Proportional to 13,148,887.76, 19,687,890.36 and 8,588,643.92

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Solution

The fourth proportional to 13,148,887.76, 19,687,890.36 and 8,588,643.92 is: 12,859,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,887.76 : 19,687,890.36 = 8,588,643.92 : x
  2. Step 2: Convert to fraction form
    13,148,887.76/19,687,890.36 = 8,588,643.92/x
  3. Step 3: Cross multiply
    13,148,887.76x = 19,687,890.36 × 8,588,643.92
  4. Step 4: Simplify right side
    13,148,887.76x = 169,092,279,838,040.59
  5. Step 5: Solve for x
    x = 169,092,279,838,040.59/13,148,887.76
  6. Step 6: Final answer
    x = 12,859,816.20

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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.