Home / 22,486,055.36-31,030,749.88-12,172,770.86

Finding the Fourth Proportional to 22,486,055.36, 31,030,749.88 and 12,172,770.86

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Solution

The fourth proportional to 22,486,055.36, 31,030,749.88 and 12,172,770.86 is: 16,798,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,055.36 : 31,030,749.88 = 12,172,770.86 : x
  2. Step 2: Convert to fraction form
    22,486,055.36/31,030,749.88 = 12,172,770.86/x
  3. Step 3: Cross multiply
    22,486,055.36x = 31,030,749.88 × 12,172,770.86
  4. Step 4: Simplify right side
    22,486,055.36x = 377,730,207,717,626.88
  5. Step 5: Solve for x
    x = 377,730,207,717,626.88/22,486,055.36
  6. Step 6: Final answer
    x = 16,798,420.25

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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.