Home / 5,360,147.40-8,040,221.10-5,005,853.40

Finding the Fourth Proportional to 5,360,147.40, 8,040,221.10 and 5,005,853.40

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Solution

The fourth proportional to 5,360,147.40, 8,040,221.10 and 5,005,853.40 is: 7,508,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360,147.40 : 8,040,221.10 = 5,005,853.40 : x
  2. Step 2: Convert to fraction form
    5,360,147.40/8,040,221.10 = 5,005,853.40/x
  3. Step 3: Cross multiply
    5,360,147.40x = 8,040,221.10 × 5,005,853.40
  4. Step 4: Simplify right side
    5,360,147.40x = 40,248,168,130,186.74
  5. Step 5: Solve for x
    x = 40,248,168,130,186.74/5,360,147.40
  6. Step 6: Final answer
    x = 7,508,780.10

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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.