Home / 38,154,541.81-57,250,742.42-15,124,989.55

Finding the Fourth Proportional to 38,154,541.81, 57,250,742.42 and 15,124,989.55

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Solution

The fourth proportional to 38,154,541.81, 57,250,742.42 and 15,124,989.55 is: 22,694,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154,541.81 : 57,250,742.42 = 15,124,989.55 : x
  2. Step 2: Convert to fraction form
    38,154,541.81/57,250,742.42 = 15,124,989.55/x
  3. Step 3: Cross multiply
    38,154,541.81x = 57,250,742.42 × 15,124,989.55
  4. Step 4: Simplify right side
    38,154,541.81x = 865,916,880,832,241.75
  5. Step 5: Solve for x
    x = 865,916,880,832,241.75/38,154,541.81
  6. Step 6: Final answer
    x = 22,694,988.32

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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.