Home / 6,287,699.70-9,431,549.55-5,490,538.20

Finding the Fourth Proportional to 6,287,699.70, 9,431,549.55 and 5,490,538.20

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Solution

The fourth proportional to 6,287,699.70, 9,431,549.55 and 5,490,538.20 is: 8,235,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287,699.70 : 9,431,549.55 = 5,490,538.20 : x
  2. Step 2: Convert to fraction form
    6,287,699.70/9,431,549.55 = 5,490,538.20/x
  3. Step 3: Cross multiply
    6,287,699.70x = 9,431,549.55 × 5,490,538.20
  4. Step 4: Simplify right side
    6,287,699.70x = 51,784,283,089,467.81
  5. Step 5: Solve for x
    x = 51,784,283,089,467.81/6,287,699.70
  6. Step 6: Final answer
    x = 8,235,807.30

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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.