Home / 15,880,951.43-21,903,357.71-11,487,159.17

Finding the Fourth Proportional to 15,880,951.43, 21,903,357.71 and 11,487,159.17

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Solution

The fourth proportional to 15,880,951.43, 21,903,357.71 and 11,487,159.17 is: 15,843,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880,951.43 : 21,903,357.71 = 11,487,159.17 : x
  2. Step 2: Convert to fraction form
    15,880,951.43/21,903,357.71 = 11,487,159.17/x
  3. Step 3: Cross multiply
    15,880,951.43x = 21,903,357.71 × 11,487,159.17
  4. Step 4: Simplify right side
    15,880,951.43x = 251,607,356,308,940.12
  5. Step 5: Solve for x
    x = 251,607,356,308,940.12/15,880,951.43
  6. Step 6: Final answer
    x = 15,843,342.72

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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.