Home / 9,308,542.80-13,962,814.20-6,438,761.40

Finding the Fourth Proportional to 9,308,542.80, 13,962,814.20 and 6,438,761.40

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Solution

The fourth proportional to 9,308,542.80, 13,962,814.20 and 6,438,761.40 is: 9,658,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,542.80 : 13,962,814.20 = 6,438,761.40 : x
  2. Step 2: Convert to fraction form
    9,308,542.80/13,962,814.20 = 6,438,761.40/x
  3. Step 3: Cross multiply
    9,308,542.80x = 13,962,814.20 × 6,438,761.40
  4. Step 4: Simplify right side
    9,308,542.80x = 89,903,229,106,331.88
  5. Step 5: Solve for x
    x = 89,903,229,106,331.88/9,308,542.80
  6. Step 6: Final answer
    x = 9,658,142.10

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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.