Home / 12,420,440.10-18,625,549.59-4,746,919.14

Finding the Fourth Proportional to 12,420,440.10, 18,625,549.59 and 4,746,919.14

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Solution

The fourth proportional to 12,420,440.10, 18,625,549.59 and 4,746,919.14 is: 7,118,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,440.10 : 18,625,549.59 = 4,746,919.14 : x
  2. Step 2: Convert to fraction form
    12,420,440.10/18,625,549.59 = 4,746,919.14/x
  3. Step 3: Cross multiply
    12,420,440.10x = 18,625,549.59 × 4,746,919.14
  4. Step 4: Simplify right side
    12,420,440.10x = 88,413,977,841,790.14
  5. Step 5: Solve for x
    x = 88,413,977,841,790.14/12,420,440.10
  6. Step 6: Final answer
    x = 7,118,425.53

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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.