Home / 8,778,102.06-12,113,798.63-4,910,687.81

Finding the Fourth Proportional to 8,778,102.06, 12,113,798.63 and 4,910,687.81

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Solution

The fourth proportional to 8,778,102.06, 12,113,798.63 and 4,910,687.81 is: 6,776,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,102.06 : 12,113,798.63 = 4,910,687.81 : x
  2. Step 2: Convert to fraction form
    8,778,102.06/12,113,798.63 = 4,910,687.81/x
  3. Step 3: Cross multiply
    8,778,102.06x = 12,113,798.63 × 4,910,687.81
  4. Step 4: Simplify right side
    8,778,102.06x = 59,487,083,180,013.27
  5. Step 5: Solve for x
    x = 59,487,083,180,013.27/8,778,102.06
  6. Step 6: Final answer
    x = 6,776,759.12

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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.