Home / 15,869,725.60-21,900,235.44-8,626,381.60

Finding the Fourth Proportional to 15,869,725.60, 21,900,235.44 and 8,626,381.60

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Solution

The fourth proportional to 15,869,725.60, 21,900,235.44 and 8,626,381.60 is: 11,904,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869,725.60 : 21,900,235.44 = 8,626,381.60 : x
  2. Step 2: Convert to fraction form
    15,869,725.60/21,900,235.44 = 8,626,381.60/x
  3. Step 3: Cross multiply
    15,869,725.60x = 21,900,235.44 × 8,626,381.60
  4. Step 4: Simplify right side
    15,869,725.60x = 188,919,788,035,283.91
  5. Step 5: Solve for x
    x = 188,919,788,035,283.91/15,869,725.60
  6. Step 6: Final answer
    x = 11,904,414.28

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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.