Home / 8,889,421.40-13,334,715.30-2,499,882.20

Finding the Fourth Proportional to 8,889,421.40, 13,334,715.30 and 2,499,882.20

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Solution

The fourth proportional to 8,889,421.40, 13,334,715.30 and 2,499,882.20 is: 3,749,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,421.40 : 13,334,715.30 = 2,499,882.20 : x
  2. Step 2: Convert to fraction form
    8,889,421.40/13,334,715.30 = 2,499,882.20/x
  3. Step 3: Cross multiply
    8,889,421.40x = 13,334,715.30 × 2,499,882.20
  4. Step 4: Simplify right side
    8,889,421.40x = 33,335,217,420,537.66
  5. Step 5: Solve for x
    x = 33,335,217,420,537.66/8,889,421.40
  6. Step 6: Final answer
    x = 3,749,987.31

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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.