Home / 12,927,635.52-17,840,192.16-7,126,291.20

Finding the Fourth Proportional to 12,927,635.52, 17,840,192.16 and 7,126,291.20

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Solution

The fourth proportional to 12,927,635.52, 17,840,192.16 and 7,126,291.20 is: 9,834,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,635.52 : 17,840,192.16 = 7,126,291.20 : x
  2. Step 2: Convert to fraction form
    12,927,635.52/17,840,192.16 = 7,126,291.20/x
  3. Step 3: Cross multiply
    12,927,635.52x = 17,840,192.16 × 7,126,291.20
  4. Step 4: Simplify right side
    12,927,635.52x = 127,134,404,396,117
  5. Step 5: Solve for x
    x = 127,134,404,396,117/12,927,635.52
  6. Step 6: Final answer
    x = 9,834,312.25

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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.