Home / 20,078,945.48-30,123,141.90-6,615,773

Finding the Fourth Proportional to 20,078,945.48, 30,123,141.90 and 6,615,773

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Solution

The fourth proportional to 20,078,945.48, 30,123,141.90 and 6,615,773 is: 9,925,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,945.48 : 30,123,141.90 = 6,615,773 : x
  2. Step 2: Convert to fraction form
    20,078,945.48/30,123,141.90 = 6,615,773/x
  3. Step 3: Cross multiply
    20,078,945.48x = 30,123,141.90 × 6,615,773
  4. Step 4: Simplify right side
    20,078,945.48x = 199,287,868,857,188.69
  5. Step 5: Solve for x
    x = 199,287,868,857,188.69/20,078,945.48
  6. Step 6: Final answer
    x = 9,925,215.90

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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.