Home / 9,282,721.32-12,810,376.35-5,208,641.64

Finding the Fourth Proportional to 9,282,721.32, 12,810,376.35 and 5,208,641.64

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Solution

The fourth proportional to 9,282,721.32, 12,810,376.35 and 5,208,641.64 is: 7,188,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282,721.32 : 12,810,376.35 = 5,208,641.64 : x
  2. Step 2: Convert to fraction form
    9,282,721.32/12,810,376.35 = 5,208,641.64/x
  3. Step 3: Cross multiply
    9,282,721.32x = 12,810,376.35 × 5,208,641.64
  4. Step 4: Simplify right side
    9,282,721.32x = 66,724,659,680,681.21
  5. Step 5: Solve for x
    x = 66,724,659,680,681.21/9,282,721.32
  6. Step 6: Final answer
    x = 7,188,049.43

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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.