Home / 21,748,052.08-30,013,176.60-11,959,298.80

Finding the Fourth Proportional to 21,748,052.08, 30,013,176.60 and 11,959,298.80

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Solution

The fourth proportional to 21,748,052.08, 30,013,176.60 and 11,959,298.80 is: 16,504,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748,052.08 : 30,013,176.60 = 11,959,298.80 : x
  2. Step 2: Convert to fraction form
    21,748,052.08/30,013,176.60 = 11,959,298.80/x
  3. Step 3: Cross multiply
    21,748,052.08x = 30,013,176.60 × 11,959,298.80
  4. Step 4: Simplify right side
    21,748,052.08x = 358,936,546,896,568.12
  5. Step 5: Solve for x
    x = 358,936,546,896,568.12/21,748,052.08
  6. Step 6: Final answer
    x = 16,504,307.86

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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.