Home / 21,553,323.40-32,329,985.10-6,405,286.60

Finding the Fourth Proportional to 21,553,323.40, 32,329,985.10 and 6,405,286.60

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Solution

The fourth proportional to 21,553,323.40, 32,329,985.10 and 6,405,286.60 is: 9,607,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,323.40 : 32,329,985.10 = 6,405,286.60 : x
  2. Step 2: Convert to fraction form
    21,553,323.40/32,329,985.10 = 6,405,286.60/x
  3. Step 3: Cross multiply
    21,553,323.40x = 32,329,985.10 × 6,405,286.60
  4. Step 4: Simplify right side
    21,553,323.40x = 207,082,820,339,229.66
  5. Step 5: Solve for x
    x = 207,082,820,339,229.66/21,553,323.40
  6. Step 6: Final answer
    x = 9,607,929.90

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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.