Home / 20,047,680.87-27,665,810.96-10,880,323.62

Finding the Fourth Proportional to 20,047,680.87, 27,665,810.96 and 10,880,323.62

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Solution

The fourth proportional to 20,047,680.87, 27,665,810.96 and 10,880,323.62 is: 15,014,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047,680.87 : 27,665,810.96 = 10,880,323.62 : x
  2. Step 2: Convert to fraction form
    20,047,680.87/27,665,810.96 = 10,880,323.62/x
  3. Step 3: Cross multiply
    20,047,680.87x = 27,665,810.96 × 10,880,323.62
  4. Step 4: Simplify right side
    20,047,680.87x = 301,012,976,296,394.50
  5. Step 5: Solve for x
    x = 301,012,976,296,394.50/20,047,680.87
  6. Step 6: Final answer
    x = 15,014,852.76

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1.5x scale

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.