Home / 12,563,479.80-18,845,219.70-8,258,807.70

Finding the Fourth Proportional to 12,563,479.80, 18,845,219.70 and 8,258,807.70

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Solution

The fourth proportional to 12,563,479.80, 18,845,219.70 and 8,258,807.70 is: 12,388,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,479.80 : 18,845,219.70 = 8,258,807.70 : x
  2. Step 2: Convert to fraction form
    12,563,479.80/18,845,219.70 = 8,258,807.70/x
  3. Step 3: Cross multiply
    12,563,479.80x = 18,845,219.70 × 8,258,807.70
  4. Step 4: Simplify right side
    12,563,479.80x = 155,639,045,566,551.69
  5. Step 5: Solve for x
    x = 155,639,045,566,551.69/12,563,479.80
  6. Step 6: Final answer
    x = 12,388,211.55

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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.