Home / 22,786,289.60-34,179,434.40-21,056,139.20

Finding the Fourth Proportional to 22,786,289.60, 34,179,434.40 and 21,056,139.20

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Solution

The fourth proportional to 22,786,289.60, 34,179,434.40 and 21,056,139.20 is: 31,584,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786,289.60 : 34,179,434.40 = 21,056,139.20 : x
  2. Step 2: Convert to fraction form
    22,786,289.60/34,179,434.40 = 21,056,139.20/x
  3. Step 3: Cross multiply
    22,786,289.60x = 34,179,434.40 × 21,056,139.20
  4. Step 4: Simplify right side
    22,786,289.60x = 719,686,928,503,668.38
  5. Step 5: Solve for x
    x = 719,686,928,503,668.38/22,786,289.60
  6. Step 6: Final answer
    x = 31,584,208.80

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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.