Home / 28,626,198.40-39,503,253.72-15,573,122.92

Finding the Fourth Proportional to 28,626,198.40, 39,503,253.72 and 15,573,122.92

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Solution

The fourth proportional to 28,626,198.40, 39,503,253.72 and 15,573,122.92 is: 21,490,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626,198.40 : 39,503,253.72 = 15,573,122.92 : x
  2. Step 2: Convert to fraction form
    28,626,198.40/39,503,253.72 = 15,573,122.92/x
  3. Step 3: Cross multiply
    28,626,198.40x = 39,503,253.72 × 15,573,122.92
  4. Step 4: Simplify right side
    28,626,198.40x = 615,189,025,921,507.25
  5. Step 5: Solve for x
    x = 615,189,025,921,507.25/28,626,198.40
  6. Step 6: Final answer
    x = 21,490,419.98

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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.