Home / 12,785,929.62-17,648,787.78-10,177,218.93

Finding the Fourth Proportional to 12,785,929.62, 17,648,787.78 and 10,177,218.93

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Solution

The fourth proportional to 12,785,929.62, 17,648,787.78 and 10,177,218.93 is: 14,047,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,929.62 : 17,648,787.78 = 10,177,218.93 : x
  2. Step 2: Convert to fraction form
    12,785,929.62/17,648,787.78 = 10,177,218.93/x
  3. Step 3: Cross multiply
    12,785,929.62x = 17,648,787.78 × 10,177,218.93
  4. Step 4: Simplify right side
    12,785,929.62x = 179,615,577,086,168.69
  5. Step 5: Solve for x
    x = 179,615,577,086,168.69/12,785,929.62
  6. Step 6: Final answer
    x = 14,047,909.10

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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.