Home / 18,143,506.40-27,215,259.60-5,364,136.40

Finding the Fourth Proportional to 18,143,506.40, 27,215,259.60 and 5,364,136.40

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Solution

The fourth proportional to 18,143,506.40, 27,215,259.60 and 5,364,136.40 is: 8,046,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,506.40 : 27,215,259.60 = 5,364,136.40 : x
  2. Step 2: Convert to fraction form
    18,143,506.40/27,215,259.60 = 5,364,136.40/x
  3. Step 3: Cross multiply
    18,143,506.40x = 27,215,259.60 × 5,364,136.40
  4. Step 4: Simplify right side
    18,143,506.40x = 145,986,364,655,809.47
  5. Step 5: Solve for x
    x = 145,986,364,655,809.47/18,143,506.40
  6. Step 6: Final answer
    x = 8,046,204.60

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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.