Home / 7,288,145.70-10,942,068.15-4,258,616.10

Finding the Fourth Proportional to 7,288,145.70, 10,942,068.15 and 4,258,616.10

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Solution

The fourth proportional to 7,288,145.70, 10,942,068.15 and 4,258,616.10 is: 6,393,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288,145.70 : 10,942,068.15 = 4,258,616.10 : x
  2. Step 2: Convert to fraction form
    7,288,145.70/10,942,068.15 = 4,258,616.10/x
  3. Step 3: Cross multiply
    7,288,145.70x = 10,942,068.15 × 4,258,616.10
  4. Step 4: Simplify right side
    7,288,145.70x = 46,598,067,590,887.21
  5. Step 5: Solve for x
    x = 46,598,067,590,887.21/7,288,145.70
  6. Step 6: Final answer
    x = 6,393,679.48

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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.