Home / 20,935,610.64-31,403,406.24-6,559,808.40

Finding the Fourth Proportional to 20,935,610.64, 31,403,406.24 and 6,559,808.40

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Solution

The fourth proportional to 20,935,610.64, 31,403,406.24 and 6,559,808.40 is: 9,839,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935,610.64 : 31,403,406.24 = 6,559,808.40 : x
  2. Step 2: Convert to fraction form
    20,935,610.64/31,403,406.24 = 6,559,808.40/x
  3. Step 3: Cross multiply
    20,935,610.64x = 31,403,406.24 × 6,559,808.40
  4. Step 4: Simplify right side
    20,935,610.64x = 206,000,328,041,764.41
  5. Step 5: Solve for x
    x = 206,000,328,041,764.41/20,935,610.64
  6. Step 6: Final answer
    x = 9,839,709.55

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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.