Home / 31,727,784.14-43,781,046.14-18,674,264.58

Finding the Fourth Proportional to 31,727,784.14, 43,781,046.14 and 18,674,264.58

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Solution

The fourth proportional to 31,727,784.14, 43,781,046.14 and 18,674,264.58 is: 25,768,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727,784.14 : 43,781,046.14 = 18,674,264.58 : x
  2. Step 2: Convert to fraction form
    31,727,784.14/43,781,046.14 = 18,674,264.58/x
  3. Step 3: Cross multiply
    31,727,784.14x = 43,781,046.14 × 18,674,264.58
  4. Step 4: Simplify right side
    31,727,784.14x = 817,578,839,090,054.50
  5. Step 5: Solve for x
    x = 817,578,839,090,054.50/31,727,784.14
  6. Step 6: Final answer
    x = 25,768,545.18

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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.