Home / 16,571,156.78-22,868,905.13-9,228,988.75

Finding the Fourth Proportional to 16,571,156.78, 22,868,905.13 and 9,228,988.75

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Solution

The fourth proportional to 16,571,156.78, 22,868,905.13 and 9,228,988.75 is: 12,736,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,571,156.78 : 22,868,905.13 = 9,228,988.75 : x
  2. Step 2: Convert to fraction form
    16,571,156.78/22,868,905.13 = 9,228,988.75/x
  3. Step 3: Cross multiply
    16,571,156.78x = 22,868,905.13 × 9,228,988.75
  4. Step 4: Simplify right side
    16,571,156.78x = 211,056,868,066,779
  5. Step 5: Solve for x
    x = 211,056,868,066,779/16,571,156.78
  6. Step 6: Final answer
    x = 12,736,399.20

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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.