Home / 12,457,037.70-18,683,252.55-3,479,732.10

Finding the Fourth Proportional to 12,457,037.70, 18,683,252.55 and 3,479,732.10

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Solution

The fourth proportional to 12,457,037.70, 18,683,252.55 and 3,479,732.10 is: 5,218,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,037.70 : 18,683,252.55 = 3,479,732.10 : x
  2. Step 2: Convert to fraction form
    12,457,037.70/18,683,252.55 = 3,479,732.10/x
  3. Step 3: Cross multiply
    12,457,037.70x = 18,683,252.55 × 3,479,732.10
  4. Step 4: Simplify right side
    12,457,037.70x = 65,012,713,630,641.86
  5. Step 5: Solve for x
    x = 65,012,713,630,641.86/12,457,037.70
  6. Step 6: Final answer
    x = 5,218,954.55

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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.