Home / 6,178,561.10-9,267,841.65-5,128,801.10

Finding the Fourth Proportional to 6,178,561.10, 9,267,841.65 and 5,128,801.10

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Solution

The fourth proportional to 6,178,561.10, 9,267,841.65 and 5,128,801.10 is: 7,693,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,561.10 : 9,267,841.65 = 5,128,801.10 : x
  2. Step 2: Convert to fraction form
    6,178,561.10/9,267,841.65 = 5,128,801.10/x
  3. Step 3: Cross multiply
    6,178,561.10x = 9,267,841.65 × 5,128,801.10
  4. Step 4: Simplify right side
    6,178,561.10x = 47,532,916,449,145.81
  5. Step 5: Solve for x
    x = 47,532,916,449,145.81/6,178,561.10
  6. Step 6: Final answer
    x = 7,693,201.65

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Double scale
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Similar ratio
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1.5x scale

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.