Home / 13,000,520.30-19,500,780.45-6,623,228.30

Finding the Fourth Proportional to 13,000,520.30, 19,500,780.45 and 6,623,228.30

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Solution

The fourth proportional to 13,000,520.30, 19,500,780.45 and 6,623,228.30 is: 9,934,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,520.30 : 19,500,780.45 = 6,623,228.30 : x
  2. Step 2: Convert to fraction form
    13,000,520.30/19,500,780.45 = 6,623,228.30/x
  3. Step 3: Cross multiply
    13,000,520.30x = 19,500,780.45 × 6,623,228.30
  4. Step 4: Simplify right side
    13,000,520.30x = 129,158,120,948,526.72
  5. Step 5: Solve for x
    x = 129,158,120,948,526.72/13,000,520.30
  6. Step 6: Final answer
    x = 9,934,842.45

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1.5x scale

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.