Home / 8,168,148.30-11,269,012.59-8,155,551.18

Finding the Fourth Proportional to 8,168,148.30, 11,269,012.59 and 8,155,551.18

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Solution

The fourth proportional to 8,168,148.30, 11,269,012.59 and 8,155,551.18 is: 11,251,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,148.30 : 11,269,012.59 = 8,155,551.18 : x
  2. Step 2: Convert to fraction form
    8,168,148.30/11,269,012.59 = 8,155,551.18/x
  3. Step 3: Cross multiply
    8,168,148.30x = 11,269,012.59 × 8,155,551.18
  4. Step 4: Simplify right side
    8,168,148.30x = 91,905,008,925,809.36
  5. Step 5: Solve for x
    x = 91,905,008,925,809.36/8,168,148.30
  6. Step 6: Final answer
    x = 11,251,633.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.