Home / 20,748,115.96-31,119,417.06-6,174,773.80

Finding the Fourth Proportional to 20,748,115.96, 31,119,417.06 and 6,174,773.80

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Solution

The fourth proportional to 20,748,115.96, 31,119,417.06 and 6,174,773.80 is: 9,261,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,748,115.96 : 31,119,417.06 = 6,174,773.80 : x
  2. Step 2: Convert to fraction form
    20,748,115.96/31,119,417.06 = 6,174,773.80/x
  3. Step 3: Cross multiply
    20,748,115.96x = 31,119,417.06 × 6,174,773.80
  4. Step 4: Simplify right side
    20,748,115.96x = 192,155,361,133,361
  5. Step 5: Solve for x
    x = 192,155,361,133,361/20,748,115.96
  6. Step 6: Final answer
    x = 9,261,340.23

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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.