Home / 22,815,191-31,484,963.58-13,157,399

Finding the Fourth Proportional to 22,815,191, 31,484,963.58 and 13,157,399

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Solution

The fourth proportional to 22,815,191, 31,484,963.58 and 13,157,399 is: 18,157,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815,191 : 31,484,963.58 = 13,157,399 : x
  2. Step 2: Convert to fraction form
    22,815,191/31,484,963.58 = 13,157,399/x
  3. Step 3: Cross multiply
    22,815,191x = 31,484,963.58 × 13,157,399
  4. Step 4: Simplify right side
    22,815,191x = 414,260,228,322,528.38
  5. Step 5: Solve for x
    x = 414,260,228,322,528.38/22,815,191
  6. Step 6: Final answer
    x = 18,157,210.62

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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.