Home / 12,382,902.76-17,087,468.34-6,949,345

Finding the Fourth Proportional to 12,382,902.76, 17,087,468.34 and 6,949,345

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Solution

The fourth proportional to 12,382,902.76, 17,087,468.34 and 6,949,345 is: 9,589,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,902.76 : 17,087,468.34 = 6,949,345 : x
  2. Step 2: Convert to fraction form
    12,382,902.76/17,087,468.34 = 6,949,345/x
  3. Step 3: Cross multiply
    12,382,902.76x = 17,087,468.34 × 6,949,345
  4. Step 4: Simplify right side
    12,382,902.76x = 118,746,712,671,237.30
  5. Step 5: Solve for x
    x = 118,746,712,671,237.30/12,382,902.76
  6. Step 6: Final answer
    x = 9,589,569.99

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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.