Home / 9,206,889.80-12,706,264.62-5,077,728.74

Finding the Fourth Proportional to 9,206,889.80, 12,706,264.62 and 5,077,728.74

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Solution

The fourth proportional to 9,206,889.80, 12,706,264.62 and 5,077,728.74 is: 7,007,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,889.80 : 12,706,264.62 = 5,077,728.74 : x
  2. Step 2: Convert to fraction form
    9,206,889.80/12,706,264.62 = 5,077,728.74/x
  3. Step 3: Cross multiply
    9,206,889.80x = 12,706,264.62 × 5,077,728.74
  4. Step 4: Simplify right side
    9,206,889.80x = 64,518,965,039,019.18
  5. Step 5: Solve for x
    x = 64,518,965,039,019.18/9,206,889.80
  6. Step 6: Final answer
    x = 7,007,682.99

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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.