Home / 39,424,069.08-54,406,312.84-21,784,113.22

Finding the Fourth Proportional to 39,424,069.08, 54,406,312.84 and 21,784,113.22

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Solution

The fourth proportional to 39,424,069.08, 54,406,312.84 and 21,784,113.22 is: 30,062,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,424,069.08 : 54,406,312.84 = 21,784,113.22 : x
  2. Step 2: Convert to fraction form
    39,424,069.08/54,406,312.84 = 21,784,113.22/x
  3. Step 3: Cross multiply
    39,424,069.08x = 54,406,312.84 × 21,784,113.22
  4. Step 4: Simplify right side
    39,424,069.08x = 1,185,193,278,789,299.75
  5. Step 5: Solve for x
    x = 1,185,193,278,789,299.75/39,424,069.08
  6. Step 6: Final answer
    x = 30,062,682.68

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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.