Home / 22,919,881.50-31,633,929.54-13,136,882.74

Finding the Fourth Proportional to 22,919,881.50, 31,633,929.54 and 13,136,882.74

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Solution

The fourth proportional to 22,919,881.50, 31,633,929.54 and 13,136,882.74 is: 18,131,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,881.50 : 31,633,929.54 = 13,136,882.74 : x
  2. Step 2: Convert to fraction form
    22,919,881.50/31,633,929.54 = 13,136,882.74/x
  3. Step 3: Cross multiply
    22,919,881.50x = 31,633,929.54 × 13,136,882.74
  4. Step 4: Simplify right side
    22,919,881.50x = 415,571,222,893,317.31
  5. Step 5: Solve for x
    x = 415,571,222,893,317.31/22,919,881.50
  6. Step 6: Final answer
    x = 18,131,473.45

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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.