Home / 23,190,713.60-34,786,070.40-21,206,667.20

Finding the Fourth Proportional to 23,190,713.60, 34,786,070.40 and 21,206,667.20

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Solution

The fourth proportional to 23,190,713.60, 34,786,070.40 and 21,206,667.20 is: 31,810,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190,713.60 : 34,786,070.40 = 21,206,667.20 : x
  2. Step 2: Convert to fraction form
    23,190,713.60/34,786,070.40 = 21,206,667.20/x
  3. Step 3: Cross multiply
    23,190,713.60x = 34,786,070.40 × 21,206,667.20
  4. Step 4: Simplify right side
    23,190,713.60x = 737,696,618,168,570.88
  5. Step 5: Solve for x
    x = 737,696,618,168,570.88/23,190,713.60
  6. Step 6: Final answer
    x = 31,810,000.80

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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.