Home / 6,855,214.16-10,272,684.60-6,471,789.20

Finding the Fourth Proportional to 6,855,214.16, 10,272,684.60 and 6,471,789.20

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Solution

The fourth proportional to 6,855,214.16, 10,272,684.60 and 6,471,789.20 is: 9,698,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855,214.16 : 10,272,684.60 = 6,471,789.20 : x
  2. Step 2: Convert to fraction form
    6,855,214.16/10,272,684.60 = 6,471,789.20/x
  3. Step 3: Cross multiply
    6,855,214.16x = 10,272,684.60 × 6,471,789.20
  4. Step 4: Simplify right side
    6,855,214.16x = 66,482,649,249,286.32
  5. Step 5: Solve for x
    x = 66,482,649,249,286.32/6,855,214.16
  6. Step 6: Final answer
    x = 9,698,114.12

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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.