Home / 21,988,433.91-30,345,476.39-12,696,395.62

Finding the Fourth Proportional to 21,988,433.91, 30,345,476.39 and 12,696,395.62

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Solution

The fourth proportional to 21,988,433.91, 30,345,476.39 and 12,696,395.62 is: 17,521,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,433.91 : 30,345,476.39 = 12,696,395.62 : x
  2. Step 2: Convert to fraction form
    21,988,433.91/30,345,476.39 = 12,696,395.62/x
  3. Step 3: Cross multiply
    21,988,433.91x = 30,345,476.39 × 12,696,395.62
  4. Step 4: Simplify right side
    21,988,433.91x = 385,278,173,513,267.94
  5. Step 5: Solve for x
    x = 385,278,173,513,267.94/21,988,433.91
  6. Step 6: Final answer
    x = 17,521,856.04

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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.