Home / 12,679,935.41-19,020,694.53-3,582,731.65

Finding the Fourth Proportional to 12,679,935.41, 19,020,694.53 and 3,582,731.65

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Solution

The fourth proportional to 12,679,935.41, 19,020,694.53 and 3,582,731.65 is: 5,374,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,935.41 : 19,020,694.53 = 3,582,731.65 : x
  2. Step 2: Convert to fraction form
    12,679,935.41/19,020,694.53 = 3,582,731.65/x
  3. Step 3: Cross multiply
    12,679,935.41x = 19,020,694.53 × 3,582,731.65
  4. Step 4: Simplify right side
    12,679,935.41x = 68,146,044,184,595.74
  5. Step 5: Solve for x
    x = 68,146,044,184,595.74/12,679,935.41
  6. Step 6: Final answer
    x = 5,374,321.08

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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.