Home / 21,336,611.28-29,444,707.08-12,169,718.16

Finding the Fourth Proportional to 21,336,611.28, 29,444,707.08 and 12,169,718.16

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Solution

The fourth proportional to 21,336,611.28, 29,444,707.08 and 12,169,718.16 is: 16,794,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336,611.28 : 29,444,707.08 = 12,169,718.16 : x
  2. Step 2: Convert to fraction form
    21,336,611.28/29,444,707.08 = 12,169,718.16/x
  3. Step 3: Cross multiply
    21,336,611.28x = 29,444,707.08 × 12,169,718.16
  4. Step 4: Simplify right side
    21,336,611.28x = 358,333,786,467,356.56
  5. Step 5: Solve for x
    x = 358,333,786,467,356.56/21,336,611.28
  6. Step 6: Final answer
    x = 16,794,315.73

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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.