Home / 18,838,734.56-25,996,732.08-10,689,486.56

Finding the Fourth Proportional to 18,838,734.56, 25,996,732.08 and 10,689,486.56

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Solution

The fourth proportional to 18,838,734.56, 25,996,732.08 and 10,689,486.56 is: 14,751,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838,734.56 : 25,996,732.08 = 10,689,486.56 : x
  2. Step 2: Convert to fraction form
    18,838,734.56/25,996,732.08 = 10,689,486.56/x
  3. Step 3: Cross multiply
    18,838,734.56x = 25,996,732.08 × 10,689,486.56
  4. Step 4: Simplify right side
    18,838,734.56x = 277,891,718,173,080.84
  5. Step 5: Solve for x
    x = 277,891,718,173,080.84/18,838,734.56
  6. Step 6: Final answer
    x = 14,751,081.99

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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.