Home / 31,054,119.39-42,852,935.95-17,115,432.25

Finding the Fourth Proportional to 31,054,119.39, 42,852,935.95 and 17,115,432.25

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Solution

The fourth proportional to 31,054,119.39, 42,852,935.95 and 17,115,432.25 is: 23,618,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,119.39 : 42,852,935.95 = 17,115,432.25 : x
  2. Step 2: Convert to fraction form
    31,054,119.39/42,852,935.95 = 17,115,432.25/x
  3. Step 3: Cross multiply
    31,054,119.39x = 42,852,935.95 × 17,115,432.25
  4. Step 4: Simplify right side
    31,054,119.39x = 733,446,521,965,814.50
  5. Step 5: Solve for x
    x = 733,446,521,965,814.50/31,054,119.39
  6. Step 6: Final answer
    x = 23,618,332.65

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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.