Home / 14,326,648.40-21,489,972.60-12,759,006.80

Finding the Fourth Proportional to 14,326,648.40, 21,489,972.60 and 12,759,006.80

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Solution

The fourth proportional to 14,326,648.40, 21,489,972.60 and 12,759,006.80 is: 19,138,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326,648.40 : 21,489,972.60 = 12,759,006.80 : x
  2. Step 2: Convert to fraction form
    14,326,648.40/21,489,972.60 = 12,759,006.80/x
  3. Step 3: Cross multiply
    14,326,648.40x = 21,489,972.60 × 12,759,006.80
  4. Step 4: Simplify right side
    14,326,648.40x = 274,190,706,535,213.72
  5. Step 5: Solve for x
    x = 274,190,706,535,213.72/14,326,648.40
  6. Step 6: Final answer
    x = 19,138,510.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.