Home / 12,881,699.70-19,322,549.55-5,707,246.20

Finding the Fourth Proportional to 12,881,699.70, 19,322,549.55 and 5,707,246.20

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Solution

The fourth proportional to 12,881,699.70, 19,322,549.55 and 5,707,246.20 is: 8,560,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,699.70 : 19,322,549.55 = 5,707,246.20 : x
  2. Step 2: Convert to fraction form
    12,881,699.70/19,322,549.55 = 5,707,246.20/x
  3. Step 3: Cross multiply
    12,881,699.70x = 19,322,549.55 × 5,707,246.20
  4. Step 4: Simplify right side
    12,881,699.70x = 110,278,547,493,549.22
  5. Step 5: Solve for x
    x = 110,278,547,493,549.22/12,881,699.70
  6. Step 6: Final answer
    x = 8,560,869.30

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Double scale
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Similar ratio
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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.