Home / 6,646,812.30-9,970,218.45-6,127,181.10

Finding the Fourth Proportional to 6,646,812.30, 9,970,218.45 and 6,127,181.10

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Solution

The fourth proportional to 6,646,812.30, 9,970,218.45 and 6,127,181.10 is: 9,190,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,812.30 : 9,970,218.45 = 6,127,181.10 : x
  2. Step 2: Convert to fraction form
    6,646,812.30/9,970,218.45 = 6,127,181.10/x
  3. Step 3: Cross multiply
    6,646,812.30x = 9,970,218.45 × 6,127,181.10
  4. Step 4: Simplify right side
    6,646,812.30x = 61,089,334,049,711.29
  5. Step 5: Solve for x
    x = 61,089,334,049,711.29/6,646,812.30
  6. Step 6: Final answer
    x = 9,190,771.65

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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.