Home / 8,721,494.76-12,036,805-5,001,783.06

Finding the Fourth Proportional to 8,721,494.76, 12,036,805 and 5,001,783.06

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Solution

The fourth proportional to 8,721,494.76, 12,036,805 and 5,001,783.06 is: 6,903,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,494.76 : 12,036,805 = 5,001,783.06 : x
  2. Step 2: Convert to fraction form
    8,721,494.76/12,036,805 = 5,001,783.06/x
  3. Step 3: Cross multiply
    8,721,494.76x = 12,036,805 × 5,001,783.06
  4. Step 4: Simplify right side
    8,721,494.76x = 60,205,487,345,523.30
  5. Step 5: Solve for x
    x = 60,205,487,345,523.30/8,721,494.76
  6. Step 6: Final answer
    x = 6,903,115.69

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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.