Home / 28,083,614.70-42,125,422.05-23,212,728.30

Finding the Fourth Proportional to 28,083,614.70, 42,125,422.05 and 23,212,728.30

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Solution

The fourth proportional to 28,083,614.70, 42,125,422.05 and 23,212,728.30 is: 34,819,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,614.70 : 42,125,422.05 = 23,212,728.30 : x
  2. Step 2: Convert to fraction form
    28,083,614.70/42,125,422.05 = 23,212,728.30/x
  3. Step 3: Cross multiply
    28,083,614.70x = 42,125,422.05 × 23,212,728.30
  4. Step 4: Simplify right side
    28,083,614.70x = 977,845,976,569,479
  5. Step 5: Solve for x
    x = 977,845,976,569,479/28,083,614.70
  6. Step 6: Final answer
    x = 34,819,092.45

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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.