Home / 10,431,561.60-15,647,342.40-6,605,186.40

Finding the Fourth Proportional to 10,431,561.60, 15,647,342.40 and 6,605,186.40

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Solution

The fourth proportional to 10,431,561.60, 15,647,342.40 and 6,605,186.40 is: 9,907,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,561.60 : 15,647,342.40 = 6,605,186.40 : x
  2. Step 2: Convert to fraction form
    10,431,561.60/15,647,342.40 = 6,605,186.40/x
  3. Step 3: Cross multiply
    10,431,561.60x = 15,647,342.40 × 6,605,186.40
  4. Step 4: Simplify right side
    10,431,561.60x = 103,353,613,216,623.38
  5. Step 5: Solve for x
    x = 103,353,613,216,623.38/10,431,561.60
  6. Step 6: Final answer
    x = 9,907,779.60

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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.