Home / 21,531,618.40-32,303,648.40-6,385,914.40

Finding the Fourth Proportional to 21,531,618.40, 32,303,648.40 and 6,385,914.40

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Solution

The fourth proportional to 21,531,618.40, 32,303,648.40 and 6,385,914.40 is: 9,580,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531,618.40 : 32,303,648.40 = 6,385,914.40 : x
  2. Step 2: Convert to fraction form
    21,531,618.40/32,303,648.40 = 6,385,914.40/x
  3. Step 3: Cross multiply
    21,531,618.40x = 32,303,648.40 × 6,385,914.40
  4. Step 4: Simplify right side
    21,531,618.40x = 206,288,333,490,096.97
  5. Step 5: Solve for x
    x = 206,288,333,490,096.97/21,531,618.40
  6. Step 6: Final answer
    x = 9,580,716.58

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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.