Home / 12,757,092.50-17,605,078.10-7,249,599.56

Finding the Fourth Proportional to 12,757,092.50, 17,605,078.10 and 7,249,599.56

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Solution

The fourth proportional to 12,757,092.50, 17,605,078.10 and 7,249,599.56 is: 10,004,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,092.50 : 17,605,078.10 = 7,249,599.56 : x
  2. Step 2: Convert to fraction form
    12,757,092.50/17,605,078.10 = 7,249,599.56/x
  3. Step 3: Cross multiply
    12,757,092.50x = 17,605,078.10 × 7,249,599.56
  4. Step 4: Simplify right side
    12,757,092.50x = 127,629,766,447,525.64
  5. Step 5: Solve for x
    x = 127,629,766,447,525.64/12,757,092.50
  6. Step 6: Final answer
    x = 10,004,612.45

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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.