Home / 13,312,811.80-19,957,553.70-9,039,122.20

Finding the Fourth Proportional to 13,312,811.80, 19,957,553.70 and 9,039,122.20

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Solution

The fourth proportional to 13,312,811.80, 19,957,553.70 and 9,039,122.20 is: 13,550,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,811.80 : 19,957,553.70 = 9,039,122.20 : x
  2. Step 2: Convert to fraction form
    13,312,811.80/19,957,553.70 = 9,039,122.20/x
  3. Step 3: Cross multiply
    13,312,811.80x = 19,957,553.70 × 9,039,122.20
  4. Step 4: Simplify right side
    13,312,811.80x = 180,398,766,707,362.12
  5. Step 5: Solve for x
    x = 180,398,766,707,362.12/13,312,811.80
  6. Step 6: Final answer
    x = 13,550,763.69

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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.