Home / 12,458,423.80-18,687,635.70-4,885,636.60

Finding the Fourth Proportional to 12,458,423.80, 18,687,635.70 and 4,885,636.60

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Solution

The fourth proportional to 12,458,423.80, 18,687,635.70 and 4,885,636.60 is: 7,328,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,423.80 : 18,687,635.70 = 4,885,636.60 : x
  2. Step 2: Convert to fraction form
    12,458,423.80/18,687,635.70 = 4,885,636.60/x
  3. Step 3: Cross multiply
    12,458,423.80x = 18,687,635.70 × 4,885,636.60
  4. Step 4: Simplify right side
    12,458,423.80x = 91,300,996,943,386.61
  5. Step 5: Solve for x
    x = 91,300,996,943,386.61/12,458,423.80
  6. Step 6: Final answer
    x = 7,328,454.90

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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.