Home / 38,568,856.68-53,226,557.40-21,165,824.70

Finding the Fourth Proportional to 38,568,856.68, 53,226,557.40 and 21,165,824.70

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Solution

The fourth proportional to 38,568,856.68, 53,226,557.40 and 21,165,824.70 is: 29,209,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568,856.68 : 53,226,557.40 = 21,165,824.70 : x
  2. Step 2: Convert to fraction form
    38,568,856.68/53,226,557.40 = 21,165,824.70/x
  3. Step 3: Cross multiply
    38,568,856.68x = 53,226,557.40 × 21,165,824.70
  4. Step 4: Simplify right side
    38,568,856.68x = 1,126,583,983,312,887.75
  5. Step 5: Solve for x
    x = 1,126,583,983,312,887.75/38,568,856.68
  6. Step 6: Final answer
    x = 29,209,680.56

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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.