Home / 22,478,059.90-31,019,722.10-12,164,782.89

Finding the Fourth Proportional to 22,478,059.90, 31,019,722.10 and 12,164,782.89

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Solution

The fourth proportional to 22,478,059.90, 31,019,722.10 and 12,164,782.89 is: 16,787,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,059.90 : 31,019,722.10 = 12,164,782.89 : x
  2. Step 2: Convert to fraction form
    22,478,059.90/31,019,722.10 = 12,164,782.89/x
  3. Step 3: Cross multiply
    22,478,059.90x = 31,019,722.10 × 12,164,782.89
  4. Step 4: Simplify right side
    22,478,059.90x = 377,348,184,654,634.88
  5. Step 5: Solve for x
    x = 377,348,184,654,634.88/22,478,059.90
  6. Step 6: Final answer
    x = 16,787,400.08

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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.