Home / 28,395,974.60-42,598,365.82-12,001,328.06

Finding the Fourth Proportional to 28,395,974.60, 42,598,365.82 and 12,001,328.06

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Solution

The fourth proportional to 28,395,974.60, 42,598,365.82 and 12,001,328.06 is: 18,003,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395,974.60 : 42,598,365.82 = 12,001,328.06 : x
  2. Step 2: Convert to fraction form
    28,395,974.60/42,598,365.82 = 12,001,328.06/x
  3. Step 3: Cross multiply
    28,395,974.60x = 42,598,365.82 × 12,001,328.06
  4. Step 4: Simplify right side
    28,395,974.60x = 511,236,962,782,715.75
  5. Step 5: Solve for x
    x = 511,236,962,782,715.75/28,395,974.60
  6. Step 6: Final answer
    x = 18,003,853.36

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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.