Home / 12,852,120.65-17,735,925.17-7,270,247.90

Finding the Fourth Proportional to 12,852,120.65, 17,735,925.17 and 7,270,247.90

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Solution

The fourth proportional to 12,852,120.65, 17,735,925.17 and 7,270,247.90 is: 10,032,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,120.65 : 17,735,925.17 = 7,270,247.90 : x
  2. Step 2: Convert to fraction form
    12,852,120.65/17,735,925.17 = 7,270,247.90/x
  3. Step 3: Cross multiply
    12,852,120.65x = 17,735,925.17 × 7,270,247.90
  4. Step 4: Simplify right side
    12,852,120.65x = 128,944,572,784,265.06
  5. Step 5: Solve for x
    x = 128,944,572,784,265.06/12,852,120.65
  6. Step 6: Final answer
    x = 10,032,941.36

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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.