Home / 21,388,078.60-32,082,117.90-10,607,043.40

Finding the Fourth Proportional to 21,388,078.60, 32,082,117.90 and 10,607,043.40

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Solution

The fourth proportional to 21,388,078.60, 32,082,117.90 and 10,607,043.40 is: 15,910,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,078.60 : 32,082,117.90 = 10,607,043.40 : x
  2. Step 2: Convert to fraction form
    21,388,078.60/32,082,117.90 = 10,607,043.40/x
  3. Step 3: Cross multiply
    21,388,078.60x = 32,082,117.90 × 10,607,043.40
  4. Step 4: Simplify right side
    21,388,078.60x = 340,296,416,929,216.88
  5. Step 5: Solve for x
    x = 340,296,416,929,216.88/21,388,078.60
  6. Step 6: Final answer
    x = 15,910,565.10

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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.