Home / 13,792,209.45-20,688,314.18-12,304,174.65

Finding the Fourth Proportional to 13,792,209.45, 20,688,314.18 and 12,304,174.65

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Solution

The fourth proportional to 13,792,209.45, 20,688,314.18 and 12,304,174.65 is: 18,456,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792,209.45 : 20,688,314.18 = 12,304,174.65 : x
  2. Step 2: Convert to fraction form
    13,792,209.45/20,688,314.18 = 12,304,174.65/x
  3. Step 3: Cross multiply
    13,792,209.45x = 20,688,314.18 × 12,304,174.65
  4. Step 4: Simplify right side
    13,792,209.45x = 254,552,630,823,270.69
  5. Step 5: Solve for x
    x = 254,552,630,823,270.69/13,792,209.45
  6. Step 6: Final answer
    x = 18,456,261.98

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1.5x scale

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.