Home / 21,506,304.75-29,678,611.05-11,716,718.46

Finding the Fourth Proportional to 21,506,304.75, 29,678,611.05 and 11,716,718.46

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Solution

The fourth proportional to 21,506,304.75, 29,678,611.05 and 11,716,718.46 is: 16,169,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,304.75 : 29,678,611.05 = 11,716,718.46 : x
  2. Step 2: Convert to fraction form
    21,506,304.75/29,678,611.05 = 11,716,718.46/x
  3. Step 3: Cross multiply
    21,506,304.75x = 29,678,611.05 × 11,716,718.46
  4. Step 4: Simplify right side
    21,506,304.75x = 347,735,929,956,695
  5. Step 5: Solve for x
    x = 347,735,929,956,695/21,506,304.75
  6. Step 6: Final answer
    x = 16,169,022.71

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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.