Home / 13,878,361.69-20,810,798.37-6,958,868.31

Finding the Fourth Proportional to 13,878,361.69, 20,810,798.37 and 6,958,868.31

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Solution

The fourth proportional to 13,878,361.69, 20,810,798.37 and 6,958,868.31 is: 10,434,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,361.69 : 20,810,798.37 = 6,958,868.31 : x
  2. Step 2: Convert to fraction form
    13,878,361.69/20,810,798.37 = 6,958,868.31/x
  3. Step 3: Cross multiply
    13,878,361.69x = 20,810,798.37 × 6,958,868.31
  4. Step 4: Simplify right side
    13,878,361.69x = 144,819,605,282,792.66
  5. Step 5: Solve for x
    x = 144,819,605,282,792.66/13,878,361.69
  6. Step 6: Final answer
    x = 10,434,920.82

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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.