Home / 13,333,858.50-18,400,725.36-7,222,287

Finding the Fourth Proportional to 13,333,858.50, 18,400,725.36 and 7,222,287

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Solution

The fourth proportional to 13,333,858.50, 18,400,725.36 and 7,222,287 is: 9,966,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,858.50 : 18,400,725.36 = 7,222,287 : x
  2. Step 2: Convert to fraction form
    13,333,858.50/18,400,725.36 = 7,222,287/x
  3. Step 3: Cross multiply
    13,333,858.50x = 18,400,725.36 × 7,222,287
  4. Step 4: Simplify right side
    13,333,858.50x = 132,895,319,558,098.31
  5. Step 5: Solve for x
    x = 132,895,319,558,098.31/13,333,858.50
  6. Step 6: Final answer
    x = 9,966,756.40

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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.