Home / 31,525,332.80-47,287,999.20-12,349,716.80

Finding the Fourth Proportional to 31,525,332.80, 47,287,999.20 and 12,349,716.80

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Solution

The fourth proportional to 31,525,332.80, 47,287,999.20 and 12,349,716.80 is: 18,524,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525,332.80 : 47,287,999.20 = 12,349,716.80 : x
  2. Step 2: Convert to fraction form
    31,525,332.80/47,287,999.20 = 12,349,716.80/x
  3. Step 3: Cross multiply
    31,525,332.80x = 47,287,999.20 × 12,349,716.80
  4. Step 4: Simplify right side
    31,525,332.80x = 583,993,398,158,626.62
  5. Step 5: Solve for x
    x = 583,993,398,158,626.62/31,525,332.80
  6. Step 6: Final answer
    x = 18,524,575.20

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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.