Home / 13,312,813.80-19,957,556.70-9,039,124.20

Finding the Fourth Proportional to 13,312,813.80, 19,957,556.70 and 9,039,124.20

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Solution

The fourth proportional to 13,312,813.80, 19,957,556.70 and 9,039,124.20 is: 13,550,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,813.80 : 19,957,556.70 = 9,039,124.20 : x
  2. Step 2: Convert to fraction form
    13,312,813.80/19,957,556.70 = 9,039,124.20/x
  3. Step 3: Cross multiply
    13,312,813.80x = 19,957,556.70 × 9,039,124.20
  4. Step 4: Simplify right side
    13,312,813.80x = 180,398,833,739,842.12
  5. Step 5: Solve for x
    x = 180,398,833,739,842.12/13,312,813.80
  6. Step 6: Final answer
    x = 13,550,766.69

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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.