Home / 12,736,897.11-17,577,203.81-7,229,753.19

Finding the Fourth Proportional to 12,736,897.11, 17,577,203.81 and 7,229,753.19

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Solution

The fourth proportional to 12,736,897.11, 17,577,203.81 and 7,229,753.19 is: 9,977,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736,897.11 : 17,577,203.81 = 7,229,753.19 : x
  2. Step 2: Convert to fraction form
    12,736,897.11/17,577,203.81 = 7,229,753.19/x
  3. Step 3: Cross multiply
    12,736,897.11x = 17,577,203.81 × 7,229,753.19
  4. Step 4: Simplify right side
    12,736,897.11x = 127,078,845,280,478.89
  5. Step 5: Solve for x
    x = 127,078,845,280,478.89/12,736,897.11
  6. Step 6: Final answer
    x = 9,977,221.62

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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.