Home / 12,461,826.60-18,661,247.10-9,942,402.60

Finding the Fourth Proportional to 12,461,826.60, 18,661,247.10 and 9,942,402.60

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Solution

The fourth proportional to 12,461,826.60, 18,661,247.10 and 9,942,402.60 is: 14,888,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,826.60 : 18,661,247.10 = 9,942,402.60 : x
  2. Step 2: Convert to fraction form
    12,461,826.60/18,661,247.10 = 9,942,402.60/x
  3. Step 3: Cross multiply
    12,461,826.60x = 18,661,247.10 × 9,942,402.60
  4. Step 4: Simplify right side
    12,461,826.60x = 185,537,631,686,282.47
  5. Step 5: Solve for x
    x = 185,537,631,686,282.47/12,461,826.60
  6. Step 6: Final answer
    x = 14,888,478.04

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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.