Home / 15,363,681.24-21,192,510.42-9,855,201.72

Finding the Fourth Proportional to 15,363,681.24, 21,192,510.42 and 9,855,201.72

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Solution

The fourth proportional to 15,363,681.24, 21,192,510.42 and 9,855,201.72 is: 13,594,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363,681.24 : 21,192,510.42 = 9,855,201.72 : x
  2. Step 2: Convert to fraction form
    15,363,681.24/21,192,510.42 = 9,855,201.72/x
  3. Step 3: Cross multiply
    15,363,681.24x = 21,192,510.42 × 9,855,201.72
  4. Step 4: Simplify right side
    15,363,681.24x = 208,856,465,142,301.97
  5. Step 5: Solve for x
    x = 208,856,465,142,301.97/15,363,681.24
  6. Step 6: Final answer
    x = 13,594,168.08

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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.