Home / 10,365,057.55-15,547,586.33-9,169,315.30

Finding the Fourth Proportional to 10,365,057.55, 15,547,586.33 and 9,169,315.30

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Solution

The fourth proportional to 10,365,057.55, 15,547,586.33 and 9,169,315.30 is: 13,753,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,057.55 : 15,547,586.33 = 9,169,315.30 : x
  2. Step 2: Convert to fraction form
    10,365,057.55/15,547,586.33 = 9,169,315.30/x
  3. Step 3: Cross multiply
    10,365,057.55x = 15,547,586.33 × 9,169,315.30
  4. Step 4: Simplify right side
    10,365,057.55x = 142,560,721,213,739.88
  5. Step 5: Solve for x
    x = 142,560,721,213,739.88/10,365,057.55
  6. Step 6: Final answer
    x = 13,753,972.95

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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.