Home / 21,680,080.34-29,915,753.02-12,388,251.36

Finding the Fourth Proportional to 21,680,080.34, 29,915,753.02 and 12,388,251.36

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Solution

The fourth proportional to 21,680,080.34, 29,915,753.02 and 12,388,251.36 is: 17,094,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,680,080.34 : 29,915,753.02 = 12,388,251.36 : x
  2. Step 2: Convert to fraction form
    21,680,080.34/29,915,753.02 = 12,388,251.36/x
  3. Step 3: Cross multiply
    21,680,080.34x = 29,915,753.02 × 12,388,251.36
  4. Step 4: Simplify right side
    21,680,080.34x = 370,603,868,004,468.44
  5. Step 5: Solve for x
    x = 370,603,868,004,468.44/21,680,080.34
  6. Step 6: Final answer
    x = 17,094,211.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.