Home / 15,433,881.96-21,280,137.46-13,336,978.17

Finding the Fourth Proportional to 15,433,881.96, 21,280,137.46 and 13,336,978.17

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Solution

The fourth proportional to 15,433,881.96, 21,280,137.46 and 13,336,978.17 is: 18,388,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,881.96 : 21,280,137.46 = 13,336,978.17 : x
  2. Step 2: Convert to fraction form
    15,433,881.96/21,280,137.46 = 13,336,978.17/x
  3. Step 3: Cross multiply
    15,433,881.96x = 21,280,137.46 × 13,336,978.17
  4. Step 4: Simplify right side
    15,433,881.96x = 283,812,728,758,619.25
  5. Step 5: Solve for x
    x = 283,812,728,758,619.25/15,433,881.96
  6. Step 6: Final answer
    x = 18,388,939.96

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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.