Home / 6,365,641.12-8,784,696.90-3,465,115.36

Finding the Fourth Proportional to 6,365,641.12, 8,784,696.90 and 3,465,115.36

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Solution

The fourth proportional to 6,365,641.12, 8,784,696.90 and 3,465,115.36 is: 4,781,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365,641.12 : 8,784,696.90 = 3,465,115.36 : x
  2. Step 2: Convert to fraction form
    6,365,641.12/8,784,696.90 = 3,465,115.36/x
  3. Step 3: Cross multiply
    6,365,641.12x = 8,784,696.90 × 3,465,115.36
  4. Step 4: Simplify right side
    6,365,641.12x = 30,439,988,161,134.38
  5. Step 5: Solve for x
    x = 30,439,988,161,134.38/6,365,641.12
  6. Step 6: Final answer
    x = 4,781,920.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.