Home / 21,812,951.70-32,720,258.70-8,164,661.22

Finding the Fourth Proportional to 21,812,951.70, 32,720,258.70 and 8,164,661.22

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Solution

The fourth proportional to 21,812,951.70, 32,720,258.70 and 8,164,661.22 is: 12,247,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812,951.70 : 32,720,258.70 = 8,164,661.22 : x
  2. Step 2: Convert to fraction form
    21,812,951.70/32,720,258.70 = 8,164,661.22/x
  3. Step 3: Cross multiply
    21,812,951.70x = 32,720,258.70 × 8,164,661.22
  4. Step 4: Simplify right side
    21,812,951.70x = 267,149,827,316,257.59
  5. Step 5: Solve for x
    x = 267,149,827,316,257.59/21,812,951.70
  6. Step 6: Final answer
    x = 12,247,302.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.