Home / 9,680,422.87-13,358,476.36-5,328,659.19

Finding the Fourth Proportional to 9,680,422.87, 13,358,476.36 and 5,328,659.19

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Solution

The fourth proportional to 9,680,422.87, 13,358,476.36 and 5,328,659.19 is: 7,353,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680,422.87 : 13,358,476.36 = 5,328,659.19 : x
  2. Step 2: Convert to fraction form
    9,680,422.87/13,358,476.36 = 5,328,659.19/x
  3. Step 3: Cross multiply
    9,680,422.87x = 13,358,476.36 × 5,328,659.19
  4. Step 4: Simplify right side
    9,680,422.87x = 71,182,767,820,111.75
  5. Step 5: Solve for x
    x = 71,182,767,820,111.75/9,680,422.87
  6. Step 6: Final answer
    x = 7,353,270.49

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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.