Home / 12,444,860.20-18,674,663.10-9,070,575.40

Finding the Fourth Proportional to 12,444,860.20, 18,674,663.10 and 9,070,575.40

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Solution

The fourth proportional to 12,444,860.20, 18,674,663.10 and 9,070,575.40 is: 13,611,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,860.20 : 18,674,663.10 = 9,070,575.40 : x
  2. Step 2: Convert to fraction form
    12,444,860.20/18,674,663.10 = 9,070,575.40/x
  3. Step 3: Cross multiply
    12,444,860.20x = 18,674,663.10 × 9,070,575.40
  4. Step 4: Simplify right side
    12,444,860.20x = 169,389,939,718,147.75
  5. Step 5: Solve for x
    x = 169,389,939,718,147.75/12,444,860.20
  6. Step 6: Final answer
    x = 13,611,236.85

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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.