Home / 12,936,141.60-19,404,212.40-8,905,063.20

Finding the Fourth Proportional to 12,936,141.60, 19,404,212.40 and 8,905,063.20

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Solution

The fourth proportional to 12,936,141.60, 19,404,212.40 and 8,905,063.20 is: 13,357,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,141.60 : 19,404,212.40 = 8,905,063.20 : x
  2. Step 2: Convert to fraction form
    12,936,141.60/19,404,212.40 = 8,905,063.20/x
  3. Step 3: Cross multiply
    12,936,141.60x = 19,404,212.40 × 8,905,063.20
  4. Step 4: Simplify right side
    12,936,141.60x = 172,795,737,768,223.66
  5. Step 5: Solve for x
    x = 172,795,737,768,223.66/12,936,141.60
  6. Step 6: Final answer
    x = 13,357,594.80

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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.