Home / 47,669,187-71,525,771.19-21,769,428.09

Finding the Fourth Proportional to 47,669,187, 71,525,771.19 and 21,769,428.09

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Solution

The fourth proportional to 47,669,187, 71,525,771.19 and 21,769,428.09 is: 32,664,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669,187 : 71,525,771.19 = 21,769,428.09 : x
  2. Step 2: Convert to fraction form
    47,669,187/71,525,771.19 = 21,769,428.09/x
  3. Step 3: Cross multiply
    47,669,187x = 71,525,771.19 × 21,769,428.09
  4. Step 4: Simplify right side
    47,669,187x = 1,557,075,132,502,498.75
  5. Step 5: Solve for x
    x = 1,557,075,132,502,498.75/47,669,187
  6. Step 6: Final answer
    x = 32,664,184.78

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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.