Home / 21,551,087.40-32,326,631.10-11,311,990.80

Finding the Fourth Proportional to 21,551,087.40, 32,326,631.10 and 11,311,990.80

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Solution

The fourth proportional to 21,551,087.40, 32,326,631.10 and 11,311,990.80 is: 16,967,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,087.40 : 32,326,631.10 = 11,311,990.80 : x
  2. Step 2: Convert to fraction form
    21,551,087.40/32,326,631.10 = 11,311,990.80/x
  3. Step 3: Cross multiply
    21,551,087.40x = 32,326,631.10 × 11,311,990.80
  4. Step 4: Simplify right side
    21,551,087.40x = 365,678,553,598,193.94
  5. Step 5: Solve for x
    x = 365,678,553,598,193.94/21,551,087.40
  6. Step 6: Final answer
    x = 16,967,986.20

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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.