Home / 7,728,015.10-11,592,022.65-4,891,330.30

Finding the Fourth Proportional to 7,728,015.10, 11,592,022.65 and 4,891,330.30

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Solution

The fourth proportional to 7,728,015.10, 11,592,022.65 and 4,891,330.30 is: 7,336,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,015.10 : 11,592,022.65 = 4,891,330.30 : x
  2. Step 2: Convert to fraction form
    7,728,015.10/11,592,022.65 = 4,891,330.30/x
  3. Step 3: Cross multiply
    7,728,015.10x = 11,592,022.65 × 4,891,330.30
  4. Step 4: Simplify right side
    7,728,015.10x = 56,700,411,626,231.30
  5. Step 5: Solve for x
    x = 56,700,411,626,231.30/7,728,015.10
  6. Step 6: Final answer
    x = 7,336,995.45

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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.