Home / 9,712,977.18-13,403,556.45-5,361,969.84

Finding the Fourth Proportional to 9,712,977.18, 13,403,556.45 and 5,361,969.84

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Solution

The fourth proportional to 9,712,977.18, 13,403,556.45 and 5,361,969.84 is: 7,399,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,977.18 : 13,403,556.45 = 5,361,969.84 : x
  2. Step 2: Convert to fraction form
    9,712,977.18/13,403,556.45 = 5,361,969.84/x
  3. Step 3: Cross multiply
    9,712,977.18x = 13,403,556.45 × 5,361,969.84
  4. Step 4: Simplify right side
    9,712,977.18x = 71,869,465,433,637.47
  5. Step 5: Solve for x
    x = 71,869,465,433,637.47/9,712,977.18
  6. Step 6: Final answer
    x = 7,399,324.03

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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.