Home / 10,222,164.20-15,333,246.30-8,680,985.30

Finding the Fourth Proportional to 10,222,164.20, 15,333,246.30 and 8,680,985.30

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Solution

The fourth proportional to 10,222,164.20, 15,333,246.30 and 8,680,985.30 is: 13,021,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222,164.20 : 15,333,246.30 = 8,680,985.30 : x
  2. Step 2: Convert to fraction form
    10,222,164.20/15,333,246.30 = 8,680,985.30/x
  3. Step 3: Cross multiply
    10,222,164.20x = 15,333,246.30 × 8,680,985.30
  4. Step 4: Simplify right side
    10,222,164.20x = 133,107,685,731,579.41
  5. Step 5: Solve for x
    x = 133,107,685,731,579.41/10,222,164.20
  6. Step 6: Final answer
    x = 13,021,477.95

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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.