Home / 13,753,933.65-20,603,945.70-7,984,574.80

Finding the Fourth Proportional to 13,753,933.65, 20,603,945.70 and 7,984,574.80

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Solution

The fourth proportional to 13,753,933.65, 20,603,945.70 and 7,984,574.80 is: 11,961,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,933.65 : 20,603,945.70 = 7,984,574.80 : x
  2. Step 2: Convert to fraction form
    13,753,933.65/20,603,945.70 = 7,984,574.80/x
  3. Step 3: Cross multiply
    13,753,933.65x = 20,603,945.70 × 7,984,574.80
  4. Step 4: Simplify right side
    13,753,933.65x = 164,513,745,565,278.50
  5. Step 5: Solve for x
    x = 164,513,745,565,278.50/13,753,933.65
  6. Step 6: Final answer
    x = 11,961,214.13

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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.