Home / 38,675,142.10-53,373,218.92-21,273,106.55

Finding the Fourth Proportional to 38,675,142.10, 53,373,218.92 and 21,273,106.55

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Solution

The fourth proportional to 38,675,142.10, 53,373,218.92 and 21,273,106.55 is: 29,357,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,675,142.10 : 53,373,218.92 = 21,273,106.55 : x
  2. Step 2: Convert to fraction form
    38,675,142.10/53,373,218.92 = 21,273,106.55/x
  3. Step 3: Cross multiply
    38,675,142.10x = 53,373,218.92 × 21,273,106.55
  4. Step 4: Simplify right side
    38,675,142.10x = 1,135,414,173,001,636
  5. Step 5: Solve for x
    x = 1,135,414,173,001,636/38,675,142.10
  6. Step 6: Final answer
    x = 29,357,724.66

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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.