Home / 10,890,041.20-16,335,061.80-7,297,529.20

Finding the Fourth Proportional to 10,890,041.20, 16,335,061.80 and 7,297,529.20

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Solution

The fourth proportional to 10,890,041.20, 16,335,061.80 and 7,297,529.20 is: 10,946,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,041.20 : 16,335,061.80 = 7,297,529.20 : x
  2. Step 2: Convert to fraction form
    10,890,041.20/16,335,061.80 = 7,297,529.20/x
  3. Step 3: Cross multiply
    10,890,041.20x = 16,335,061.80 × 7,297,529.20
  4. Step 4: Simplify right side
    10,890,041.20x = 119,205,590,469,304.56
  5. Step 5: Solve for x
    x = 119,205,590,469,304.56/10,890,041.20
  6. Step 6: Final answer
    x = 10,946,293.80

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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.