Home / 12,717,943.92-17,550,592.92-6,916,600.80

Finding the Fourth Proportional to 12,717,943.92, 17,550,592.92 and 6,916,600.80

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Solution

The fourth proportional to 12,717,943.92, 17,550,592.92 and 6,916,600.80 is: 9,544,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717,943.92 : 17,550,592.92 = 6,916,600.80 : x
  2. Step 2: Convert to fraction form
    12,717,943.92/17,550,592.92 = 6,916,600.80/x
  3. Step 3: Cross multiply
    12,717,943.92x = 17,550,592.92 × 6,916,600.80
  4. Step 4: Simplify right side
    12,717,943.92x = 121,390,445,030,946.34
  5. Step 5: Solve for x
    x = 121,390,445,030,946.34/12,717,943.92
  6. Step 6: Final answer
    x = 9,544,816.82

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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.