Home / 9,308,609.80-13,962,914.70-6,438,828.40

Finding the Fourth Proportional to 9,308,609.80, 13,962,914.70 and 6,438,828.40

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Solution

The fourth proportional to 9,308,609.80, 13,962,914.70 and 6,438,828.40 is: 9,658,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,609.80 : 13,962,914.70 = 6,438,828.40 : x
  2. Step 2: Convert to fraction form
    9,308,609.80/13,962,914.70 = 6,438,828.40/x
  3. Step 3: Cross multiply
    9,308,609.80x = 13,962,914.70 × 6,438,828.40
  4. Step 4: Simplify right side
    9,308,609.80x = 89,904,811,717,137.48
  5. Step 5: Solve for x
    x = 89,904,811,717,137.48/9,308,609.80
  6. Step 6: Final answer
    x = 9,658,242.60

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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.