Home / 40,287,622.40-60,431,433.60-28,170,767.60

Finding the Fourth Proportional to 40,287,622.40, 60,431,433.60 and 28,170,767.60

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Solution

The fourth proportional to 40,287,622.40, 60,431,433.60 and 28,170,767.60 is: 42,256,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287,622.40 : 60,431,433.60 = 28,170,767.60 : x
  2. Step 2: Convert to fraction form
    40,287,622.40/60,431,433.60 = 28,170,767.60/x
  3. Step 3: Cross multiply
    40,287,622.40x = 60,431,433.60 × 28,170,767.60
  4. Step 4: Simplify right side
    40,287,622.40x = 1,702,399,871,680,431.50
  5. Step 5: Solve for x
    x = 1,702,399,871,680,431.50/40,287,622.40
  6. Step 6: Final answer
    x = 42,256,151.40

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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.