Home / 9,516,021.28-13,132,122.67-5,165,108.51

Finding the Fourth Proportional to 9,516,021.28, 13,132,122.67 and 5,165,108.51

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Solution

The fourth proportional to 9,516,021.28, 13,132,122.67 and 5,165,108.51 is: 7,127,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516,021.28 : 13,132,122.67 = 5,165,108.51 : x
  2. Step 2: Convert to fraction form
    9,516,021.28/13,132,122.67 = 5,165,108.51/x
  3. Step 3: Cross multiply
    9,516,021.28x = 13,132,122.67 × 5,165,108.51
  4. Step 4: Simplify right side
    9,516,021.28x = 67,828,838,497,976.70
  5. Step 5: Solve for x
    x = 67,828,838,497,976.70/9,516,021.28
  6. Step 6: Final answer
    x = 7,127,856.96

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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.