Home / 18,086,723.40-27,130,085.10-6,119,459.40

Finding the Fourth Proportional to 18,086,723.40, 27,130,085.10 and 6,119,459.40

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Solution

The fourth proportional to 18,086,723.40, 27,130,085.10 and 6,119,459.40 is: 9,179,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,723.40 : 27,130,085.10 = 6,119,459.40 : x
  2. Step 2: Convert to fraction form
    18,086,723.40/27,130,085.10 = 6,119,459.40/x
  3. Step 3: Cross multiply
    18,086,723.40x = 27,130,085.10 × 6,119,459.40
  4. Step 4: Simplify right side
    18,086,723.40x = 166,021,454,287,994.97
  5. Step 5: Solve for x
    x = 166,021,454,287,994.97/18,086,723.40
  6. Step 6: Final answer
    x = 9,179,189.10

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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.