Home / 22,919,838.30-31,633,870.50-13,136,840.64

Finding the Fourth Proportional to 22,919,838.30, 31,633,870.50 and 13,136,840.64

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Solution

The fourth proportional to 22,919,838.30, 31,633,870.50 and 13,136,840.64 is: 18,131,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,838.30 : 31,633,870.50 = 13,136,840.64 : x
  2. Step 2: Convert to fraction form
    22,919,838.30/31,633,870.50 = 13,136,840.64/x
  3. Step 3: Cross multiply
    22,919,838.30x = 31,633,870.50 × 13,136,840.64
  4. Step 4: Simplify right side
    22,919,838.30x = 415,569,115,584,897.12
  5. Step 5: Solve for x
    x = 415,569,115,584,897.12/22,919,838.30
  6. Step 6: Final answer
    x = 18,131,415.68

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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.