Home / 25,600,629.86-38,400,981.75-10,454,561.36

Finding the Fourth Proportional to 25,600,629.86, 38,400,981.75 and 10,454,561.36

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Solution

The fourth proportional to 25,600,629.86, 38,400,981.75 and 10,454,561.36 is: 15,681,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600,629.86 : 38,400,981.75 = 10,454,561.36 : x
  2. Step 2: Convert to fraction form
    25,600,629.86/38,400,981.75 = 10,454,561.36/x
  3. Step 3: Cross multiply
    25,600,629.86x = 38,400,981.75 × 10,454,561.36
  4. Step 4: Simplify right side
    25,600,629.86x = 401,465,419,989,615.19
  5. Step 5: Solve for x
    x = 401,465,419,989,615.19/25,600,629.86
  6. Step 6: Final answer
    x = 15,681,857.13

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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.