Home / 9,660,012.70-14,490,019.05-5,181,036.70

Finding the Fourth Proportional to 9,660,012.70, 14,490,019.05 and 5,181,036.70

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Solution

The fourth proportional to 9,660,012.70, 14,490,019.05 and 5,181,036.70 is: 7,771,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660,012.70 : 14,490,019.05 = 5,181,036.70 : x
  2. Step 2: Convert to fraction form
    9,660,012.70/14,490,019.05 = 5,181,036.70/x
  3. Step 3: Cross multiply
    9,660,012.70x = 14,490,019.05 × 5,181,036.70
  4. Step 4: Simplify right side
    9,660,012.70x = 75,073,320,481,749.14
  5. Step 5: Solve for x
    x = 75,073,320,481,749.14/9,660,012.70
  6. Step 6: Final answer
    x = 7,771,555.05

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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.