Home / 21,388,324.60-32,082,486.90-10,607,289.40

Finding the Fourth Proportional to 21,388,324.60, 32,082,486.90 and 10,607,289.40

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Solution

The fourth proportional to 21,388,324.60, 32,082,486.90 and 10,607,289.40 is: 15,910,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,324.60 : 32,082,486.90 = 10,607,289.40 : x
  2. Step 2: Convert to fraction form
    21,388,324.60/32,082,486.90 = 10,607,289.40/x
  3. Step 3: Cross multiply
    21,388,324.60x = 32,082,486.90 × 10,607,289.40
  4. Step 4: Simplify right side
    21,388,324.60x = 340,308,223,220,008.88
  5. Step 5: Solve for x
    x = 340,308,223,220,008.88/21,388,324.60
  6. Step 6: Final answer
    x = 15,910,934.10

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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.