Home / 13,233,505.60-19,868,920.80-8,194,657.60

Finding the Fourth Proportional to 13,233,505.60, 19,868,920.80 and 8,194,657.60

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Solution

The fourth proportional to 13,233,505.60, 19,868,920.80 and 8,194,657.60 is: 12,303,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233,505.60 : 19,868,920.80 = 8,194,657.60 : x
  2. Step 2: Convert to fraction form
    13,233,505.60/19,868,920.80 = 8,194,657.60/x
  3. Step 3: Cross multiply
    13,233,505.60x = 19,868,920.80 × 8,194,657.60
  4. Step 4: Simplify right side
    13,233,505.60x = 162,819,002,837,518.09
  5. Step 5: Solve for x
    x = 162,819,002,837,518.09/13,233,505.60
  6. Step 6: Final answer
    x = 12,303,542.82

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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.