Home / 12,040,045.60-18,060,068.40-7,262,471.20

Finding the Fourth Proportional to 12,040,045.60, 18,060,068.40 and 7,262,471.20

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Solution

The fourth proportional to 12,040,045.60, 18,060,068.40 and 7,262,471.20 is: 10,893,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040,045.60 : 18,060,068.40 = 7,262,471.20 : x
  2. Step 2: Convert to fraction form
    12,040,045.60/18,060,068.40 = 7,262,471.20/x
  3. Step 3: Cross multiply
    12,040,045.60x = 18,060,068.40 × 7,262,471.20
  4. Step 4: Simplify right side
    12,040,045.60x = 131,160,726,625,030.08
  5. Step 5: Solve for x
    x = 131,160,726,625,030.08/12,040,045.60
  6. Step 6: Final answer
    x = 10,893,706.80

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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.