Home / 12,632,405.10-18,948,607.65-4,554,501.90

Finding the Fourth Proportional to 12,632,405.10, 18,948,607.65 and 4,554,501.90

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Solution

The fourth proportional to 12,632,405.10, 18,948,607.65 and 4,554,501.90 is: 6,831,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632,405.10 : 18,948,607.65 = 4,554,501.90 : x
  2. Step 2: Convert to fraction form
    12,632,405.10/18,948,607.65 = 4,554,501.90/x
  3. Step 3: Cross multiply
    12,632,405.10x = 18,948,607.65 × 4,554,501.90
  4. Step 4: Simplify right side
    12,632,405.10x = 86,301,469,544,279.53
  5. Step 5: Solve for x
    x = 86,301,469,544,279.53/12,632,405.10
  6. Step 6: Final answer
    x = 6,831,752.85

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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.