Home / 9,516,416.76-13,132,665.32-5,165,502.40

Finding the Fourth Proportional to 9,516,416.76, 13,132,665.32 and 5,165,502.40

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Solution

The fourth proportional to 9,516,416.76, 13,132,665.32 and 5,165,502.40 is: 7,128,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516,416.76 : 13,132,665.32 = 5,165,502.40 : x
  2. Step 2: Convert to fraction form
    9,516,416.76/13,132,665.32 = 5,165,502.40/x
  3. Step 3: Cross multiply
    9,516,416.76x = 13,132,665.32 × 5,165,502.40
  4. Step 4: Simplify right side
    9,516,416.76x = 67,836,814,228,856.77
  5. Step 5: Solve for x
    x = 67,836,814,228,856.77/9,516,416.76
  6. Step 6: Final answer
    x = 7,128,398.84

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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.