Home / 28,023,628.10-42,035,442.15-18,449,816.90

Finding the Fourth Proportional to 28,023,628.10, 42,035,442.15 and 18,449,816.90

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Solution

The fourth proportional to 28,023,628.10, 42,035,442.15 and 18,449,816.90 is: 27,674,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,628.10 : 42,035,442.15 = 18,449,816.90 : x
  2. Step 2: Convert to fraction form
    28,023,628.10/42,035,442.15 = 18,449,816.90/x
  3. Step 3: Cross multiply
    28,023,628.10x = 42,035,442.15 × 18,449,816.90
  4. Step 4: Simplify right side
    28,023,628.10x = 775,546,210,978,042.25
  5. Step 5: Solve for x
    x = 775,546,210,978,042.25/28,023,628.10
  6. Step 6: Final answer
    x = 27,674,725.35

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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.