Home / 36,085,604.70-54,128,407.05-28,432,854.30

Finding the Fourth Proportional to 36,085,604.70, 54,128,407.05 and 28,432,854.30

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Solution

The fourth proportional to 36,085,604.70, 54,128,407.05 and 28,432,854.30 is: 42,649,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085,604.70 : 54,128,407.05 = 28,432,854.30 : x
  2. Step 2: Convert to fraction form
    36,085,604.70/54,128,407.05 = 28,432,854.30/x
  3. Step 3: Cross multiply
    36,085,604.70x = 54,128,407.05 × 28,432,854.30
  4. Step 4: Simplify right side
    36,085,604.70x = 1,539,025,111,143,742.75
  5. Step 5: Solve for x
    x = 1,539,025,111,143,742.75/36,085,604.70
  6. Step 6: Final answer
    x = 42,649,281.45

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Double scale
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Similar ratio
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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.