Home / 25,600,629.71-38,400,981.52-10,454,561.21

Finding the Fourth Proportional to 25,600,629.71, 38,400,981.52 and 10,454,561.21

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Solution

The fourth proportional to 25,600,629.71, 38,400,981.52 and 10,454,561.21 is: 15,681,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600,629.71 : 38,400,981.52 = 10,454,561.21 : x
  2. Step 2: Convert to fraction form
    25,600,629.71/38,400,981.52 = 10,454,561.21/x
  3. Step 3: Cross multiply
    25,600,629.71x = 38,400,981.52 × 10,454,561.21
  4. Step 4: Simplify right side
    25,600,629.71x = 401,465,411,606,777.50
  5. Step 5: Solve for x
    x = 401,465,411,606,777.50/25,600,629.71
  6. Step 6: Final answer
    x = 15,681,856.90

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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.