Home / 12,841,252.07-17,720,370.05-7,687,455.35

Finding the Fourth Proportional to 12,841,252.07, 17,720,370.05 and 7,687,455.35

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Solution

The fourth proportional to 12,841,252.07, 17,720,370.05 and 7,687,455.35 is: 10,608,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,252.07 : 17,720,370.05 = 7,687,455.35 : x
  2. Step 2: Convert to fraction form
    12,841,252.07/17,720,370.05 = 7,687,455.35/x
  3. Step 3: Cross multiply
    12,841,252.07x = 17,720,370.05 × 7,687,455.35
  4. Step 4: Simplify right side
    12,841,252.07x = 136,224,553,417,813.16
  5. Step 5: Solve for x
    x = 136,224,553,417,813.16/12,841,252.07
  6. Step 6: Final answer
    x = 10,608,354.44

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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.