Home / 28,193,743.40-42,290,615.10-26,738,076.20

Finding the Fourth Proportional to 28,193,743.40, 42,290,615.10 and 26,738,076.20

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Solution

The fourth proportional to 28,193,743.40, 42,290,615.10 and 26,738,076.20 is: 40,107,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,743.40 : 42,290,615.10 = 26,738,076.20 : x
  2. Step 2: Convert to fraction form
    28,193,743.40/42,290,615.10 = 26,738,076.20/x
  3. Step 3: Cross multiply
    28,193,743.40x = 42,290,615.10 × 26,738,076.20
  4. Step 4: Simplify right side
    28,193,743.40x = 1,130,769,689,088,670.75
  5. Step 5: Solve for x
    x = 1,130,769,689,088,670.75/28,193,743.40
  6. Step 6: Final answer
    x = 40,107,114.30

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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.