Home / 12,828,865.18-17,697,121.95-7,932,522.10

Finding the Fourth Proportional to 12,828,865.18, 17,697,121.95 and 7,932,522.10

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Solution

The fourth proportional to 12,828,865.18, 17,697,121.95 and 7,932,522.10 is: 10,942,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,865.18 : 17,697,121.95 = 7,932,522.10 : x
  2. Step 2: Convert to fraction form
    12,828,865.18/17,697,121.95 = 7,932,522.10/x
  3. Step 3: Cross multiply
    12,828,865.18x = 17,697,121.95 × 7,932,522.10
  4. Step 4: Simplify right side
    12,828,865.18x = 140,382,810,974,770.08
  5. Step 5: Solve for x
    x = 140,382,810,974,770.08/12,828,865.18
  6. Step 6: Final answer
    x = 10,942,730.24

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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.