Home / 15,433,882.96-21,280,138.84-13,336,979.17

Finding the Fourth Proportional to 15,433,882.96, 21,280,138.84 and 13,336,979.17

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Solution

The fourth proportional to 15,433,882.96, 21,280,138.84 and 13,336,979.17 is: 18,388,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,882.96 : 21,280,138.84 = 13,336,979.17 : x
  2. Step 2: Convert to fraction form
    15,433,882.96/21,280,138.84 = 13,336,979.17/x
  3. Step 3: Cross multiply
    15,433,882.96x = 21,280,138.84 × 13,336,979.17
  4. Step 4: Simplify right side
    15,433,882.96x = 283,812,768,443,787.94
  5. Step 5: Solve for x
    x = 283,812,768,443,787.94/15,433,882.96
  6. Step 6: Final answer
    x = 18,388,941.34

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1.5x scale

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.