Home / 12,830,271.68-19,248,280.19-4,310,375.78

Finding the Fourth Proportional to 12,830,271.68, 19,248,280.19 and 4,310,375.78

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Solution

The fourth proportional to 12,830,271.68, 19,248,280.19 and 4,310,375.78 is: 6,466,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,271.68 : 19,248,280.19 = 4,310,375.78 : x
  2. Step 2: Convert to fraction form
    12,830,271.68/19,248,280.19 = 4,310,375.78/x
  3. Step 3: Cross multiply
    12,830,271.68x = 19,248,280.19 × 4,310,375.78
  4. Step 4: Simplify right side
    12,830,271.68x = 82,967,320,780,362.52
  5. Step 5: Solve for x
    x = 82,967,320,780,362.52/12,830,271.68
  6. Step 6: Final answer
    x = 6,466,528.76

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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.