Home / 13,839,579.90-19,098,544.21-7,645,052.76

Finding the Fourth Proportional to 13,839,579.90, 19,098,544.21 and 7,645,052.76

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Solution

The fourth proportional to 13,839,579.90, 19,098,544.21 and 7,645,052.76 is: 10,550,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839,579.90 : 19,098,544.21 = 7,645,052.76 : x
  2. Step 2: Convert to fraction form
    13,839,579.90/19,098,544.21 = 7,645,052.76/x
  3. Step 3: Cross multiply
    13,839,579.90x = 19,098,544.21 × 7,645,052.76
  4. Step 4: Simplify right side
    13,839,579.90x = 146,009,378,124,642.53
  5. Step 5: Solve for x
    x = 146,009,378,124,642.53/13,839,579.90
  6. Step 6: Final answer
    x = 10,550,130.80

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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.