Home / 13,113,000.30-19,669,500.45-12,861,057.90

Finding the Fourth Proportional to 13,113,000.30, 19,669,500.45 and 12,861,057.90

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Solution

The fourth proportional to 13,113,000.30, 19,669,500.45 and 12,861,057.90 is: 19,291,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113,000.30 : 19,669,500.45 = 12,861,057.90 : x
  2. Step 2: Convert to fraction form
    13,113,000.30/19,669,500.45 = 12,861,057.90/x
  3. Step 3: Cross multiply
    13,113,000.30x = 19,669,500.45 × 12,861,057.90
  4. Step 4: Simplify right side
    13,113,000.30x = 252,970,584,151,526.06
  5. Step 5: Solve for x
    x = 252,970,584,151,526.06/13,113,000.30
  6. Step 6: Final answer
    x = 19,291,586.85

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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.