Home / 22,723,351.61-31,358,999.04-13,438,880.51

Finding the Fourth Proportional to 22,723,351.61, 31,358,999.04 and 13,438,880.51

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Solution

The fourth proportional to 22,723,351.61, 31,358,999.04 and 13,438,880.51 is: 18,546,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723,351.61 : 31,358,999.04 = 13,438,880.51 : x
  2. Step 2: Convert to fraction form
    22,723,351.61/31,358,999.04 = 13,438,880.51/x
  3. Step 3: Cross multiply
    22,723,351.61x = 31,358,999.04 × 13,438,880.51
  4. Step 4: Simplify right side
    22,723,351.61x = 421,429,841,011,764.69
  5. Step 5: Solve for x
    x = 421,429,841,011,764.69/22,723,351.61
  6. Step 6: Final answer
    x = 18,546,112.75

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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.