Home / 31,525,334.80-47,288,002.20-12,349,718.80

Finding the Fourth Proportional to 31,525,334.80, 47,288,002.20 and 12,349,718.80

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Solution

The fourth proportional to 31,525,334.80, 47,288,002.20 and 12,349,718.80 is: 18,524,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525,334.80 : 47,288,002.20 = 12,349,718.80 : x
  2. Step 2: Convert to fraction form
    31,525,334.80/47,288,002.20 = 12,349,718.80/x
  3. Step 3: Cross multiply
    31,525,334.80x = 47,288,002.20 × 12,349,718.80
  4. Step 4: Simplify right side
    31,525,334.80x = 583,993,529,783,781.38
  5. Step 5: Solve for x
    x = 583,993,529,783,781.38/31,525,334.80
  6. Step 6: Final answer
    x = 18,524,578.20

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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.