Home / 9,129,695.84-12,598,826.40-5,055,227.36

Finding the Fourth Proportional to 9,129,695.84, 12,598,826.40 and 5,055,227.36

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Solution

The fourth proportional to 9,129,695.84, 12,598,826.40 and 5,055,227.36 is: 6,976,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,695.84 : 12,598,826.40 = 5,055,227.36 : x
  2. Step 2: Convert to fraction form
    9,129,695.84/12,598,826.40 = 5,055,227.36/x
  3. Step 3: Cross multiply
    9,129,695.84x = 12,598,826.40 × 5,055,227.36
  4. Step 4: Simplify right side
    9,129,695.84x = 63,689,931,921,170.31
  5. Step 5: Solve for x
    x = 63,689,931,921,170.31/9,129,695.84
  6. Step 6: Final answer
    x = 6,976,128.56

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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.