Home / 7,382,406.40-11,061,686.40-4,178,003.20

Finding the Fourth Proportional to 7,382,406.40, 11,061,686.40 and 4,178,003.20

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Solution

The fourth proportional to 7,382,406.40, 11,061,686.40 and 4,178,003.20 is: 6,260,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,406.40 : 11,061,686.40 = 4,178,003.20 : x
  2. Step 2: Convert to fraction form
    7,382,406.40/11,061,686.40 = 4,178,003.20/x
  3. Step 3: Cross multiply
    7,382,406.40x = 11,061,686.40 × 4,178,003.20
  4. Step 4: Simplify right side
    7,382,406.40x = 46,215,761,176,596.48
  5. Step 5: Solve for x
    x = 46,215,761,176,596.48/7,382,406.40
  6. Step 6: Final answer
    x = 6,260,256.98

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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.