Home / 20,790,002.60-31,151,826.30-17,405,887.40

Finding the Fourth Proportional to 20,790,002.60, 31,151,826.30 and 17,405,887.40

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Solution

The fourth proportional to 20,790,002.60, 31,151,826.30 and 17,405,887.40 is: 26,081,054.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790,002.60 : 31,151,826.30 = 17,405,887.40 : x
  2. Step 2: Convert to fraction form
    20,790,002.60/31,151,826.30 = 17,405,887.40/x
  3. Step 3: Cross multiply
    20,790,002.60x = 31,151,826.30 × 17,405,887.40
  4. Step 4: Simplify right side
    20,790,002.60x = 542,225,180,882,158.56
  5. Step 5: Solve for x
    x = 542,225,180,882,158.56/20,790,002.60
  6. Step 6: Final answer
    x = 26,081,054.02

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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.