Home / 7,776,015.10-11,664,022.65-7,421,721.10

Finding the Fourth Proportional to 7,776,015.10, 11,664,022.65 and 7,421,721.10

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Solution

The fourth proportional to 7,776,015.10, 11,664,022.65 and 7,421,721.10 is: 11,132,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,015.10 : 11,664,022.65 = 7,421,721.10 : x
  2. Step 2: Convert to fraction form
    7,776,015.10/11,664,022.65 = 7,421,721.10/x
  3. Step 3: Cross multiply
    7,776,015.10x = 11,664,022.65 × 7,421,721.10
  4. Step 4: Simplify right side
    7,776,015.10x = 86,567,123,012,382.91
  5. Step 5: Solve for x
    x = 86,567,123,012,382.91/7,776,015.10
  6. Step 6: Final answer
    x = 11,132,581.65

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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.