Home / 15,070,592.64-20,852,182.08-13,140,874.56

Finding the Fourth Proportional to 15,070,592.64, 20,852,182.08 and 13,140,874.56

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Solution

The fourth proportional to 15,070,592.64, 20,852,182.08 and 13,140,874.56 is: 18,182,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070,592.64 : 20,852,182.08 = 13,140,874.56 : x
  2. Step 2: Convert to fraction form
    15,070,592.64/20,852,182.08 = 13,140,874.56/x
  3. Step 3: Cross multiply
    15,070,592.64x = 20,852,182.08 × 13,140,874.56
  4. Step 4: Simplify right side
    15,070,592.64x = 274,015,909,015,559.88
  5. Step 5: Solve for x
    x = 274,015,909,015,559.88/15,070,592.64
  6. Step 6: Final answer
    x = 18,182,158.83

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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.