Home / 26,931,792.60-40,397,688.90-18,428,736.60

Finding the Fourth Proportional to 26,931,792.60, 40,397,688.90 and 18,428,736.60

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Solution

The fourth proportional to 26,931,792.60, 40,397,688.90 and 18,428,736.60 is: 27,643,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931,792.60 : 40,397,688.90 = 18,428,736.60 : x
  2. Step 2: Convert to fraction form
    26,931,792.60/40,397,688.90 = 18,428,736.60/x
  3. Step 3: Cross multiply
    26,931,792.60x = 40,397,688.90 × 18,428,736.60
  4. Step 4: Simplify right side
    26,931,792.60x = 744,478,367,986,843.75
  5. Step 5: Solve for x
    x = 744,478,367,986,843.75/26,931,792.60
  6. Step 6: Final answer
    x = 27,643,104.90

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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.