Home / 20,707,406.70-31,060,818.45-9,347,837.10

Finding the Fourth Proportional to 20,707,406.70, 31,060,818.45 and 9,347,837.10

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Solution

The fourth proportional to 20,707,406.70, 31,060,818.45 and 9,347,837.10 is: 14,021,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707,406.70 : 31,060,818.45 = 9,347,837.10 : x
  2. Step 2: Convert to fraction form
    20,707,406.70/31,060,818.45 = 9,347,837.10/x
  3. Step 3: Cross multiply
    20,707,406.70x = 31,060,818.45 × 9,347,837.10
  4. Step 4: Simplify right side
    20,707,406.70x = 290,351,471,063,274.50
  5. Step 5: Solve for x
    x = 290,351,471,063,274.50/20,707,406.70
  6. Step 6: Final answer
    x = 14,021,624.01

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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.