Home / 22,815,212-31,484,992.56-13,157,420

Finding the Fourth Proportional to 22,815,212, 31,484,992.56 and 13,157,420

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Solution

The fourth proportional to 22,815,212, 31,484,992.56 and 13,157,420 is: 18,157,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815,212 : 31,484,992.56 = 13,157,420 : x
  2. Step 2: Convert to fraction form
    22,815,212/31,484,992.56 = 13,157,420/x
  3. Step 3: Cross multiply
    22,815,212x = 31,484,992.56 × 13,157,420
  4. Step 4: Simplify right side
    22,815,212x = 414,261,270,808,795.19
  5. Step 5: Solve for x
    x = 414,261,270,808,795.19/22,815,212
  6. Step 6: Final answer
    x = 18,157,239.60

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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.