Home / 10,520,111.07-15,781,065.08-3,696,091.47

Finding the Fourth Proportional to 10,520,111.07, 15,781,065.08 and 3,696,091.47

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Solution

The fourth proportional to 10,520,111.07, 15,781,065.08 and 3,696,091.47 is: 5,544,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,111.07 : 15,781,065.08 = 3,696,091.47 : x
  2. Step 2: Convert to fraction form
    10,520,111.07/15,781,065.08 = 3,696,091.47/x
  3. Step 3: Cross multiply
    10,520,111.07x = 15,781,065.08 × 3,696,091.47
  4. Step 4: Simplify right side
    10,520,111.07x = 58,328,260,011,222.41
  5. Step 5: Solve for x
    x = 58,328,260,011,222.41/10,520,111.07
  6. Step 6: Final answer
    x = 5,544,452.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.