Home / 13,800,149.10-19,044,280.62-7,919,314.95

Finding the Fourth Proportional to 13,800,149.10, 19,044,280.62 and 7,919,314.95

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Solution

The fourth proportional to 13,800,149.10, 19,044,280.62 and 7,919,314.95 is: 10,928,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,149.10 : 19,044,280.62 = 7,919,314.95 : x
  2. Step 2: Convert to fraction form
    13,800,149.10/19,044,280.62 = 7,919,314.95/x
  3. Step 3: Cross multiply
    13,800,149.10x = 19,044,280.62 × 7,919,314.95
  4. Step 4: Simplify right side
    13,800,149.10x = 150,817,656,225,961.28
  5. Step 5: Solve for x
    x = 150,817,656,225,961.28/13,800,149.10
  6. Step 6: Final answer
    x = 10,928,697.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.