Home / 12,658,377.62-17,468,614.64-6,857,159.36

Finding the Fourth Proportional to 12,658,377.62, 17,468,614.64 and 6,857,159.36

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Solution

The fourth proportional to 12,658,377.62, 17,468,614.64 and 6,857,159.36 is: 9,462,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,377.62 : 17,468,614.64 = 6,857,159.36 : x
  2. Step 2: Convert to fraction form
    12,658,377.62/17,468,614.64 = 6,857,159.36/x
  3. Step 3: Cross multiply
    12,658,377.62x = 17,468,614.64 × 6,857,159.36
  4. Step 4: Simplify right side
    12,658,377.62x = 119,785,074,263,280.17
  5. Step 5: Solve for x
    x = 119,785,074,263,280.17/12,658,377.62
  6. Step 6: Final answer
    x = 9,462,908.91

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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.