Home / 13,994,750.40-19,313,128.80-7,882,814.40

Finding the Fourth Proportional to 13,994,750.40, 19,313,128.80 and 7,882,814.40

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Solution

The fourth proportional to 13,994,750.40, 19,313,128.80 and 7,882,814.40 is: 10,878,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994,750.40 : 19,313,128.80 = 7,882,814.40 : x
  2. Step 2: Convert to fraction form
    13,994,750.40/19,313,128.80 = 7,882,814.40/x
  3. Step 3: Cross multiply
    13,994,750.40x = 19,313,128.80 × 7,882,814.40
  4. Step 4: Simplify right side
    13,994,750.40x = 152,241,809,813,694.72
  5. Step 5: Solve for x
    x = 152,241,809,813,694.72/13,994,750.40
  6. Step 6: Final answer
    x = 10,878,494.11

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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.