Home / 21,388,116.90-32,082,175.35-7,007,717.10

Finding the Fourth Proportional to 21,388,116.90, 32,082,175.35 and 7,007,717.10

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Solution

The fourth proportional to 21,388,116.90, 32,082,175.35 and 7,007,717.10 is: 10,511,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,116.90 : 32,082,175.35 = 7,007,717.10 : x
  2. Step 2: Convert to fraction form
    21,388,116.90/32,082,175.35 = 7,007,717.10/x
  3. Step 3: Cross multiply
    21,388,116.90x = 32,082,175.35 × 7,007,717.10
  4. Step 4: Simplify right side
    21,388,116.90x = 224,822,808,805,393.47
  5. Step 5: Solve for x
    x = 224,822,808,805,393.47/21,388,116.90
  6. Step 6: Final answer
    x = 10,511,575.65

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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.