Home / 47,554,648.09-71,309,488.86-18,422,131.93

Finding the Fourth Proportional to 47,554,648.09, 71,309,488.86 and 18,422,131.93

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Solution

The fourth proportional to 47,554,648.09, 71,309,488.86 and 18,422,131.93 is: 27,624,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,554,648.09 : 71,309,488.86 = 18,422,131.93 : x
  2. Step 2: Convert to fraction form
    47,554,648.09/71,309,488.86 = 18,422,131.93/x
  3. Step 3: Cross multiply
    47,554,648.09x = 71,309,488.86 × 18,422,131.93
  4. Step 4: Simplify right side
    47,554,648.09x = 1,313,672,811,461,511.50
  5. Step 5: Solve for x
    x = 1,313,672,811,461,511.50/47,554,648.09
  6. Step 6: Final answer
    x = 27,624,488.13

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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.