Home / 9,189,219.15-12,681,417.92-5,059,686.87

Finding the Fourth Proportional to 9,189,219.15, 12,681,417.92 and 5,059,686.87

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Solution

The fourth proportional to 9,189,219.15, 12,681,417.92 and 5,059,686.87 is: 6,982,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189,219.15 : 12,681,417.92 = 5,059,686.87 : x
  2. Step 2: Convert to fraction form
    9,189,219.15/12,681,417.92 = 5,059,686.87/x
  3. Step 3: Cross multiply
    9,189,219.15x = 12,681,417.92 × 5,059,686.87
  4. Step 4: Simplify right side
    9,189,219.15x = 64,164,003,717,508.27
  5. Step 5: Solve for x
    x = 64,164,003,717,508.27/9,189,219.15
  6. Step 6: Final answer
    x = 6,982,530.58

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1.5x scale

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.