Home / 12,822,995.76-17,695,733.76-7,022,132.16

Finding the Fourth Proportional to 12,822,995.76, 17,695,733.76 and 7,022,132.16

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Solution

The fourth proportional to 12,822,995.76, 17,695,733.76 and 7,022,132.16 is: 9,690,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,995.76 : 17,695,733.76 = 7,022,132.16 : x
  2. Step 2: Convert to fraction form
    12,822,995.76/17,695,733.76 = 7,022,132.16/x
  3. Step 3: Cross multiply
    12,822,995.76x = 17,695,733.76 × 7,022,132.16
  4. Step 4: Simplify right side
    12,822,995.76x = 124,261,781,130,893.73
  5. Step 5: Solve for x
    x = 124,261,781,130,893.73/12,822,995.76
  6. Step 6: Final answer
    x = 9,690,542.17

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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.