Home / 10,572,268.80-15,858,403.20-9,312,556.80

Finding the Fourth Proportional to 10,572,268.80, 15,858,403.20 and 9,312,556.80

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Solution

The fourth proportional to 10,572,268.80, 15,858,403.20 and 9,312,556.80 is: 13,968,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,268.80 : 15,858,403.20 = 9,312,556.80 : x
  2. Step 2: Convert to fraction form
    10,572,268.80/15,858,403.20 = 9,312,556.80/x
  3. Step 3: Cross multiply
    10,572,268.80x = 15,858,403.20 × 9,312,556.80
  4. Step 4: Simplify right side
    10,572,268.80x = 147,682,280,557,301.75
  5. Step 5: Solve for x
    x = 147,682,280,557,301.75/10,572,268.80
  6. Step 6: Final answer
    x = 13,968,835.20

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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.