Home / 9,428,657.40-14,121,990.90-8,168,945.40

Finding the Fourth Proportional to 9,428,657.40, 14,121,990.90 and 8,168,945.40

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Solution

The fourth proportional to 9,428,657.40, 14,121,990.90 and 8,168,945.40 is: 12,235,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428,657.40 : 14,121,990.90 = 8,168,945.40 : x
  2. Step 2: Convert to fraction form
    9,428,657.40/14,121,990.90 = 8,168,945.40/x
  3. Step 3: Cross multiply
    9,428,657.40x = 14,121,990.90 × 8,168,945.40
  4. Step 4: Simplify right side
    9,428,657.40x = 115,361,772,601,396.88
  5. Step 5: Solve for x
    x = 115,361,772,601,396.88/9,428,657.40
  6. Step 6: Final answer
    x = 12,235,227.96

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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.