Home / 9,419,332.80-14,128,999.20-8,957,438.40

Finding the Fourth Proportional to 9,419,332.80, 14,128,999.20 and 8,957,438.40

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Solution

The fourth proportional to 9,419,332.80, 14,128,999.20 and 8,957,438.40 is: 13,436,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419,332.80 : 14,128,999.20 = 8,957,438.40 : x
  2. Step 2: Convert to fraction form
    9,419,332.80/14,128,999.20 = 8,957,438.40/x
  3. Step 3: Cross multiply
    9,419,332.80x = 14,128,999.20 × 8,957,438.40
  4. Step 4: Simplify right side
    9,419,332.80x = 126,559,639,987,649.28
  5. Step 5: Solve for x
    x = 126,559,639,987,649.28/9,419,332.80
  6. Step 6: Final answer
    x = 13,436,157.60

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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.