Home / 42,445,512.10-63,668,268.15-13,692,585.70

Finding the Fourth Proportional to 42,445,512.10, 63,668,268.15 and 13,692,585.70

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Solution

The fourth proportional to 42,445,512.10, 63,668,268.15 and 13,692,585.70 is: 20,538,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445,512.10 : 63,668,268.15 = 13,692,585.70 : x
  2. Step 2: Convert to fraction form
    42,445,512.10/63,668,268.15 = 13,692,585.70/x
  3. Step 3: Cross multiply
    42,445,512.10x = 63,668,268.15 × 13,692,585.70
  4. Step 4: Simplify right side
    42,445,512.10x = 871,783,218,014,455.38
  5. Step 5: Solve for x
    x = 871,783,218,014,455.38/42,445,512.10
  6. Step 6: Final answer
    x = 20,538,878.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.