Home / 13,435,755.21-20,153,646.78-3,338,376.21

Finding the Fourth Proportional to 13,435,755.21, 20,153,646.78 and 3,338,376.21

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Solution

The fourth proportional to 13,435,755.21, 20,153,646.78 and 3,338,376.21 is: 5,007,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,755.21 : 20,153,646.78 = 3,338,376.21 : x
  2. Step 2: Convert to fraction form
    13,435,755.21/20,153,646.78 = 3,338,376.21/x
  3. Step 3: Cross multiply
    13,435,755.21x = 20,153,646.78 × 3,338,376.21
  4. Step 4: Simplify right side
    13,435,755.21x = 67,280,454,955,095.11
  5. Step 5: Solve for x
    x = 67,280,454,955,095.11/13,435,755.21
  6. Step 6: Final answer
    x = 5,007,567.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.