Home / 20,196,438.30-30,294,657.45-11,672,387.10

Finding the Fourth Proportional to 20,196,438.30, 30,294,657.45 and 11,672,387.10

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Solution

The fourth proportional to 20,196,438.30, 30,294,657.45 and 11,672,387.10 is: 17,508,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,438.30 : 30,294,657.45 = 11,672,387.10 : x
  2. Step 2: Convert to fraction form
    20,196,438.30/30,294,657.45 = 11,672,387.10/x
  3. Step 3: Cross multiply
    20,196,438.30x = 30,294,657.45 × 11,672,387.10
  4. Step 4: Simplify right side
    20,196,438.30x = 353,610,968,818,298.88
  5. Step 5: Solve for x
    x = 353,610,968,818,298.88/20,196,438.30
  6. Step 6: Final answer
    x = 17,508,580.65

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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.