Home / 13,581,904.88-18,737,498.94-7,700,299.04

Finding the Fourth Proportional to 13,581,904.88, 18,737,498.94 and 7,700,299.04

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Solution

The fourth proportional to 13,581,904.88, 18,737,498.94 and 7,700,299.04 is: 10,623,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,904.88 : 18,737,498.94 = 7,700,299.04 : x
  2. Step 2: Convert to fraction form
    13,581,904.88/18,737,498.94 = 7,700,299.04/x
  3. Step 3: Cross multiply
    13,581,904.88x = 18,737,498.94 × 7,700,299.04
  4. Step 4: Simplify right side
    13,581,904.88x = 144,284,345,099,683.03
  5. Step 5: Solve for x
    x = 144,284,345,099,683.03/13,581,904.88
  6. Step 6: Final answer
    x = 10,623,277.54

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1.5x scale

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.