Home / 20,927,666.36-31,392,090.03-5,781,597.86

Finding the Fourth Proportional to 20,927,666.36, 31,392,090.03 and 5,781,597.86

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Solution

The fourth proportional to 20,927,666.36, 31,392,090.03 and 5,781,597.86 is: 8,672,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927,666.36 : 31,392,090.03 = 5,781,597.86 : x
  2. Step 2: Convert to fraction form
    20,927,666.36/31,392,090.03 = 5,781,597.86/x
  3. Step 3: Cross multiply
    20,927,666.36x = 31,392,090.03 × 5,781,597.86
  4. Step 4: Simplify right side
    20,927,666.36x = 181,496,440,381,414.91
  5. Step 5: Solve for x
    x = 181,496,440,381,414.91/20,927,666.36
  6. Step 6: Final answer
    x = 8,672,559.92

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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.