Home / 9,641,605.39-13,305,378.61-5,290,764.43

Finding the Fourth Proportional to 9,641,605.39, 13,305,378.61 and 5,290,764.43

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Solution

The fourth proportional to 9,641,605.39, 13,305,378.61 and 5,290,764.43 is: 7,301,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641,605.39 : 13,305,378.61 = 5,290,764.43 : x
  2. Step 2: Convert to fraction form
    9,641,605.39/13,305,378.61 = 5,290,764.43/x
  3. Step 3: Cross multiply
    9,641,605.39x = 13,305,378.61 × 5,290,764.43
  4. Step 4: Simplify right side
    9,641,605.39x = 70,395,623,877,470.83
  5. Step 5: Solve for x
    x = 70,395,623,877,470.83/9,641,605.39
  6. Step 6: Final answer
    x = 7,301,234.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.