Home / 13,371,078.42-20,068,070.22-13,270,432.68

Finding the Fourth Proportional to 13,371,078.42, 20,068,070.22 and 13,270,432.68

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Solution

The fourth proportional to 13,371,078.42, 20,068,070.22 and 13,270,432.68 is: 19,917,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371,078.42 : 20,068,070.22 = 13,270,432.68 : x
  2. Step 2: Convert to fraction form
    13,371,078.42/20,068,070.22 = 13,270,432.68/x
  3. Step 3: Cross multiply
    13,371,078.42x = 20,068,070.22 × 13,270,432.68
  4. Step 4: Simplify right side
    13,371,078.42x = 266,311,974,872,022.78
  5. Step 5: Solve for x
    x = 266,311,974,872,022.78/13,371,078.42
  6. Step 6: Final answer
    x = 19,917,015.40

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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.