Home / 12,662,517.68-17,466,510.80-10,342,781.36

Finding the Fourth Proportional to 12,662,517.68, 17,466,510.80 and 10,342,781.36

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Solution

The fourth proportional to 12,662,517.68, 17,466,510.80 and 10,342,781.36 is: 14,266,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,517.68 : 17,466,510.80 = 10,342,781.36 : x
  2. Step 2: Convert to fraction form
    12,662,517.68/17,466,510.80 = 10,342,781.36/x
  3. Step 3: Cross multiply
    12,662,517.68x = 17,466,510.80 × 10,342,781.36
  4. Step 4: Simplify right side
    12,662,517.68x = 180,652,302,326,478.69
  5. Step 5: Solve for x
    x = 180,652,302,326,478.69/12,662,517.68
  6. Step 6: Final answer
    x = 14,266,696.95

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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.