Home / 9,516,011.47-13,132,109.12-5,165,098.67

Finding the Fourth Proportional to 9,516,011.47, 13,132,109.12 and 5,165,098.67

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Solution

The fourth proportional to 9,516,011.47, 13,132,109.12 and 5,165,098.67 is: 7,127,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516,011.47 : 13,132,109.12 = 5,165,098.67 : x
  2. Step 2: Convert to fraction form
    9,516,011.47/13,132,109.12 = 5,165,098.67/x
  3. Step 3: Cross multiply
    9,516,011.47x = 13,132,109.12 × 5,165,098.67
  4. Step 4: Simplify right side
    9,516,011.47x = 67,828,639,350,006.87
  5. Step 5: Solve for x
    x = 67,828,639,350,006.87/9,516,011.47
  6. Step 6: Final answer
    x = 7,127,843.38

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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.