Home / 9,142,910.21-13,712,266.66-5,450,978.63

Finding the Fourth Proportional to 9,142,910.21, 13,712,266.66 and 5,450,978.63

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Solution

The fourth proportional to 9,142,910.21, 13,712,266.66 and 5,450,978.63 is: 8,175,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,910.21 : 13,712,266.66 = 5,450,978.63 : x
  2. Step 2: Convert to fraction form
    9,142,910.21/13,712,266.66 = 5,450,978.63/x
  3. Step 3: Cross multiply
    9,142,910.21x = 13,712,266.66 × 5,450,978.63
  4. Step 4: Simplify right side
    9,142,910.21x = 74,745,272,532,521.47
  5. Step 5: Solve for x
    x = 74,745,272,532,521.47/9,142,910.21
  6. Step 6: Final answer
    x = 8,175,216.73

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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.