Home / 7,261,406.20-10,868,489.70-5,655,273.40

Finding the Fourth Proportional to 7,261,406.20, 10,868,489.70 and 5,655,273.40

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Solution

The fourth proportional to 7,261,406.20, 10,868,489.70 and 5,655,273.40 is: 8,464,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,406.20 : 10,868,489.70 = 5,655,273.40 : x
  2. Step 2: Convert to fraction form
    7,261,406.20/10,868,489.70 = 5,655,273.40/x
  3. Step 3: Cross multiply
    7,261,406.20x = 10,868,489.70 × 5,655,273.40
  4. Step 4: Simplify right side
    7,261,406.20x = 61,464,280,698,583.98
  5. Step 5: Solve for x
    x = 61,464,280,698,583.98/7,261,406.20
  6. Step 6: Final answer
    x = 8,464,514.86

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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.