Home / 47,669,187.08-71,525,771.31-21,769,428.17

Finding the Fourth Proportional to 47,669,187.08, 71,525,771.31 and 21,769,428.17

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Solution

The fourth proportional to 47,669,187.08, 71,525,771.31 and 21,769,428.17 is: 32,664,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669,187.08 : 71,525,771.31 = 21,769,428.17 : x
  2. Step 2: Convert to fraction form
    47,669,187.08/71,525,771.31 = 21,769,428.17/x
  3. Step 3: Cross multiply
    47,669,187.08x = 71,525,771.31 × 21,769,428.17
  4. Step 4: Simplify right side
    47,669,187.08x = 1,557,075,140,479,263
  5. Step 5: Solve for x
    x = 1,557,075,140,479,263/47,669,187.08
  6. Step 6: Final answer
    x = 32,664,184.90

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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.