Home / 13,800,148.72-19,044,280.08-7,919,314.56

Finding the Fourth Proportional to 13,800,148.72, 19,044,280.08 and 7,919,314.56

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Solution

The fourth proportional to 13,800,148.72, 19,044,280.08 and 7,919,314.56 is: 10,928,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,148.72 : 19,044,280.08 = 7,919,314.56 : x
  2. Step 2: Convert to fraction form
    13,800,148.72/19,044,280.08 = 7,919,314.56/x
  3. Step 3: Cross multiply
    13,800,148.72x = 19,044,280.08 × 7,919,314.56
  4. Step 4: Simplify right side
    13,800,148.72x = 150,817,644,522,261.94
  5. Step 5: Solve for x
    x = 150,817,644,522,261.94/13,800,148.72
  6. Step 6: Final answer
    x = 10,928,697.04

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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.