Home / 8,688,382.96-11,989,175.89-5,155,570.82

Finding the Fourth Proportional to 8,688,382.96, 11,989,175.89 and 5,155,570.82

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Solution

The fourth proportional to 8,688,382.96, 11,989,175.89 and 5,155,570.82 is: 7,114,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,382.96 : 11,989,175.89 = 5,155,570.82 : x
  2. Step 2: Convert to fraction form
    8,688,382.96/11,989,175.89 = 5,155,570.82/x
  3. Step 3: Cross multiply
    8,688,382.96x = 11,989,175.89 × 5,155,570.82
  4. Step 4: Simplify right side
    8,688,382.96x = 61,811,045,374,331.54
  5. Step 5: Solve for x
    x = 61,811,045,374,331.54/8,688,382.96
  6. Step 6: Final answer
    x = 7,114,217.42

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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.