Home / 25,689,811.77-35,417,644.07-20,409,028.11

Finding the Fourth Proportional to 25,689,811.77, 35,417,644.07 and 20,409,028.11

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Solution

The fourth proportional to 25,689,811.77, 35,417,644.07 and 20,409,028.11 is: 28,137,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689,811.77 : 35,417,644.07 = 20,409,028.11 : x
  2. Step 2: Convert to fraction form
    25,689,811.77/35,417,644.07 = 20,409,028.11/x
  3. Step 3: Cross multiply
    25,689,811.77x = 35,417,644.07 × 20,409,028.11
  4. Step 4: Simplify right side
    25,689,811.77x = 722,839,693,312,559.62
  5. Step 5: Solve for x
    x = 722,839,693,312,559.62/25,689,811.77
  6. Step 6: Final answer
    x = 28,137,212.52

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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.