Home / 21,559,967.20-32,339,950.80-10,222,559.20

Finding the Fourth Proportional to 21,559,967.20, 32,339,950.80 and 10,222,559.20

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Solution

The fourth proportional to 21,559,967.20, 32,339,950.80 and 10,222,559.20 is: 15,333,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,967.20 : 32,339,950.80 = 10,222,559.20 : x
  2. Step 2: Convert to fraction form
    21,559,967.20/32,339,950.80 = 10,222,559.20/x
  3. Step 3: Cross multiply
    21,559,967.20x = 32,339,950.80 × 10,222,559.20
  4. Step 4: Simplify right side
    21,559,967.20x = 330,597,061,578,087.31
  5. Step 5: Solve for x
    x = 330,597,061,578,087.31/21,559,967.20
  6. Step 6: Final answer
    x = 15,333,838.80

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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.