Home / 12,815,458.65-19,224,356.01-4,177,341.90

Finding the Fourth Proportional to 12,815,458.65, 19,224,356.01 and 4,177,341.90

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Solution

The fourth proportional to 12,815,458.65, 19,224,356.01 and 4,177,341.90 is: 6,266,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,458.65 : 19,224,356.01 = 4,177,341.90 : x
  2. Step 2: Convert to fraction form
    12,815,458.65/19,224,356.01 = 4,177,341.90/x
  3. Step 3: Cross multiply
    12,815,458.65x = 19,224,356.01 × 4,177,341.90
  4. Step 4: Simplify right side
    12,815,458.65x = 80,306,707,861,089.83
  5. Step 5: Solve for x
    x = 80,306,707,861,089.83/12,815,458.65
  6. Step 6: Final answer
    x = 6,266,393.58

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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.