Home / 15,720,081.60-23,524,135.20-10,905,182.40

Finding the Fourth Proportional to 15,720,081.60, 23,524,135.20 and 10,905,182.40

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Solution

The fourth proportional to 15,720,081.60, 23,524,135.20 and 10,905,182.40 is: 16,318,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720,081.60 : 23,524,135.20 = 10,905,182.40 : x
  2. Step 2: Convert to fraction form
    15,720,081.60/23,524,135.20 = 10,905,182.40/x
  3. Step 3: Cross multiply
    15,720,081.60x = 23,524,135.20 × 10,905,182.40
  4. Step 4: Simplify right side
    15,720,081.60x = 256,534,985,158,260.47
  5. Step 5: Solve for x
    x = 256,534,985,158,260.47/15,720,081.60
  6. Step 6: Final answer
    x = 16,318,934.70

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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.