Home / 47,553,916.39-71,308,388.17-18,421,399.69

Finding the Fourth Proportional to 47,553,916.39, 71,308,388.17 and 18,421,399.69

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Solution

The fourth proportional to 47,553,916.39, 71,308,388.17 and 18,421,399.69 is: 27,623,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,553,916.39 : 71,308,388.17 = 18,421,399.69 : x
  2. Step 2: Convert to fraction form
    47,553,916.39/71,308,388.17 = 18,421,399.69/x
  3. Step 3: Cross multiply
    47,553,916.39x = 71,308,388.17 × 18,421,399.69
  4. Step 4: Simplify right side
    47,553,916.39x = 1,313,600,319,729,237.75
  5. Step 5: Solve for x
    x = 1,313,600,319,729,237.75/47,553,916.39
  6. Step 6: Final answer
    x = 27,623,388.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.