Home / 15,295,460.70-22,969,763.10-8,121,007.20

Finding the Fourth Proportional to 15,295,460.70, 22,969,763.10 and 8,121,007.20

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Solution

The fourth proportional to 15,295,460.70, 22,969,763.10 and 8,121,007.20 is: 12,195,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295,460.70 : 22,969,763.10 = 8,121,007.20 : x
  2. Step 2: Convert to fraction form
    15,295,460.70/22,969,763.10 = 8,121,007.20/x
  3. Step 3: Cross multiply
    15,295,460.70x = 22,969,763.10 × 8,121,007.20
  4. Step 4: Simplify right side
    15,295,460.70x = 186,537,611,517,394.34
  5. Step 5: Solve for x
    x = 186,537,611,517,394.34/15,295,460.70
  6. Step 6: Final answer
    x = 12,195,619.03

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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.