Home / 29,122,287.80-43,683,431.70-28,555,417.40

Finding the Fourth Proportional to 29,122,287.80, 43,683,431.70 and 28,555,417.40

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Solution

The fourth proportional to 29,122,287.80, 43,683,431.70 and 28,555,417.40 is: 42,833,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122,287.80 : 43,683,431.70 = 28,555,417.40 : x
  2. Step 2: Convert to fraction form
    29,122,287.80/43,683,431.70 = 28,555,417.40/x
  3. Step 3: Cross multiply
    29,122,287.80x = 43,683,431.70 × 28,555,417.40
  4. Step 4: Simplify right side
    29,122,287.80x = 1,247,398,625,657,891.50
  5. Step 5: Solve for x
    x = 1,247,398,625,657,891.50/29,122,287.80
  6. Step 6: Final answer
    x = 42,833,126.10

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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.