Home / 20,047,686.87-27,665,819.21-10,880,329.62

Finding the Fourth Proportional to 20,047,686.87, 27,665,819.21 and 10,880,329.62

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Solution

The fourth proportional to 20,047,686.87, 27,665,819.21 and 10,880,329.62 is: 15,014,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047,686.87 : 27,665,819.21 = 10,880,329.62 : x
  2. Step 2: Convert to fraction form
    20,047,686.87/27,665,819.21 = 10,880,329.62/x
  3. Step 3: Cross multiply
    20,047,686.87x = 27,665,819.21 × 10,880,329.62
  4. Step 4: Simplify right side
    20,047,686.87x = 301,013,232,157,726.31
  5. Step 5: Solve for x
    x = 301,013,232,157,726.31/20,047,686.87
  6. Step 6: Final answer
    x = 15,014,861.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.