Home / 13,498,377.84-18,628,584.12-7,698,278.88

Finding the Fourth Proportional to 13,498,377.84, 18,628,584.12 and 7,698,278.88

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Solution

The fourth proportional to 13,498,377.84, 18,628,584.12 and 7,698,278.88 is: 10,624,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498,377.84 : 18,628,584.12 = 7,698,278.88 : x
  2. Step 2: Convert to fraction form
    13,498,377.84/18,628,584.12 = 7,698,278.88/x
  3. Step 3: Cross multiply
    13,498,377.84x = 18,628,584.12 × 7,698,278.88
  4. Step 4: Simplify right side
    13,498,377.84x = 143,408,035,695,299.41
  5. Step 5: Solve for x
    x = 143,408,035,695,299.41/13,498,377.84
  6. Step 6: Final answer
    x = 10,624,094.05

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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.