Home / 10,631,590.20-15,947,385.30-8,742,022.20

Finding the Fourth Proportional to 10,631,590.20, 15,947,385.30 and 8,742,022.20

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Solution

The fourth proportional to 10,631,590.20, 15,947,385.30 and 8,742,022.20 is: 13,113,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,590.20 : 15,947,385.30 = 8,742,022.20 : x
  2. Step 2: Convert to fraction form
    10,631,590.20/15,947,385.30 = 8,742,022.20/x
  3. Step 3: Cross multiply
    10,631,590.20x = 15,947,385.30 × 8,742,022.20
  4. Step 4: Simplify right side
    10,631,590.20x = 139,412,396,324,553.66
  5. Step 5: Solve for x
    x = 139,412,396,324,553.66/10,631,590.20
  6. Step 6: Final answer
    x = 13,113,033.30

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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.