Home / 16,949,868.80-25,424,803.20-12,147,411.20

Finding the Fourth Proportional to 16,949,868.80, 25,424,803.20 and 12,147,411.20

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Solution

The fourth proportional to 16,949,868.80, 25,424,803.20 and 12,147,411.20 is: 18,221,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,949,868.80 : 25,424,803.20 = 12,147,411.20 : x
  2. Step 2: Convert to fraction form
    16,949,868.80/25,424,803.20 = 12,147,411.20/x
  3. Step 3: Cross multiply
    16,949,868.80x = 25,424,803.20 × 12,147,411.20
  4. Step 4: Simplify right side
    16,949,868.80x = 308,845,539,149,475.81
  5. Step 5: Solve for x
    x = 308,845,539,149,475.81/16,949,868.80
  6. Step 6: Final answer
    x = 18,221,116.80

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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.