Home / 8,577,067.65-12,865,601.48-7,381,325.40

Finding the Fourth Proportional to 8,577,067.65, 12,865,601.48 and 7,381,325.40

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Solution

The fourth proportional to 8,577,067.65, 12,865,601.48 and 7,381,325.40 is: 11,071,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577,067.65 : 12,865,601.48 = 7,381,325.40 : x
  2. Step 2: Convert to fraction form
    8,577,067.65/12,865,601.48 = 7,381,325.40/x
  3. Step 3: Cross multiply
    8,577,067.65x = 12,865,601.48 × 7,381,325.40
  4. Step 4: Simplify right side
    8,577,067.65x = 94,965,190,953,694.97
  5. Step 5: Solve for x
    x = 94,965,190,953,694.97/8,577,067.65
  6. Step 6: Final answer
    x = 11,071,988.10

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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.