Home / 8,518,998.89-11,756,159.56-4,651,517.81

Finding the Fourth Proportional to 8,518,998.89, 11,756,159.56 and 4,651,517.81

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Solution

The fourth proportional to 8,518,998.89, 11,756,159.56 and 4,651,517.81 is: 6,419,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,998.89 : 11,756,159.56 = 4,651,517.81 : x
  2. Step 2: Convert to fraction form
    8,518,998.89/11,756,159.56 = 4,651,517.81/x
  3. Step 3: Cross multiply
    8,518,998.89x = 11,756,159.56 × 4,651,517.81
  4. Step 4: Simplify right side
    8,518,998.89x = 54,683,985,570,541.76
  5. Step 5: Solve for x
    x = 54,683,985,570,541.76/8,518,998.89
  6. Step 6: Final answer
    x = 6,419,062.41

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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.