Home / 9,169,783.76-12,654,432.32-5,040,196.51

Finding the Fourth Proportional to 9,169,783.76, 12,654,432.32 and 5,040,196.51

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Solution

The fourth proportional to 9,169,783.76, 12,654,432.32 and 5,040,196.51 is: 6,955,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,783.76 : 12,654,432.32 = 5,040,196.51 : x
  2. Step 2: Convert to fraction form
    9,169,783.76/12,654,432.32 = 5,040,196.51/x
  3. Step 3: Cross multiply
    9,169,783.76x = 12,654,432.32 × 5,040,196.51
  4. Step 4: Simplify right side
    9,169,783.76x = 63,780,825,558,458.14
  5. Step 5: Solve for x
    x = 63,780,825,558,458.14/9,169,783.76
  6. Step 6: Final answer
    x = 6,955,543.04

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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.