Home / 25,262,142.39-34,853,193.61-20,607,881.74

Finding the Fourth Proportional to 25,262,142.39, 34,853,193.61 and 20,607,881.74

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Solution

The fourth proportional to 25,262,142.39, 34,853,193.61 and 20,607,881.74 is: 28,431,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262,142.39 : 34,853,193.61 = 20,607,881.74 : x
  2. Step 2: Convert to fraction form
    25,262,142.39/34,853,193.61 = 20,607,881.74/x
  3. Step 3: Cross multiply
    25,262,142.39x = 34,853,193.61 × 20,607,881.74
  4. Step 4: Simplify right side
    25,262,142.39x = 718,250,492,037,551
  5. Step 5: Solve for x
    x = 718,250,492,037,551/25,262,142.39
  6. Step 6: Final answer
    x = 28,431,891.52

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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.