Home / 28,083,670.80-42,125,506.20-25,396,285.20

Finding the Fourth Proportional to 28,083,670.80, 42,125,506.20 and 25,396,285.20

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Solution

The fourth proportional to 28,083,670.80, 42,125,506.20 and 25,396,285.20 is: 38,094,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,670.80 : 42,125,506.20 = 25,396,285.20 : x
  2. Step 2: Convert to fraction form
    28,083,670.80/42,125,506.20 = 25,396,285.20/x
  3. Step 3: Cross multiply
    28,083,670.80x = 42,125,506.20 × 25,396,285.20
  4. Step 4: Simplify right side
    28,083,670.80x = 1,069,831,369,649,568.25
  5. Step 5: Solve for x
    x = 1,069,831,369,649,568.25/28,083,670.80
  6. Step 6: Final answer
    x = 38,094,427.80

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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.