Home / 14,365,621.33-19,824,976.31-7,839,671.18

Finding the Fourth Proportional to 14,365,621.33, 19,824,976.31 and 7,839,671.18

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Solution

The fourth proportional to 14,365,621.33, 19,824,976.31 and 7,839,671.18 is: 10,818,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,621.33 : 19,824,976.31 = 7,839,671.18 : x
  2. Step 2: Convert to fraction form
    14,365,621.33/19,824,976.31 = 7,839,671.18/x
  3. Step 3: Cross multiply
    14,365,621.33x = 19,824,976.31 × 7,839,671.18
  4. Step 4: Simplify right side
    14,365,621.33x = 155,421,295,283,366.50
  5. Step 5: Solve for x
    x = 155,421,295,283,366.50/14,365,621.33
  6. Step 6: Final answer
    x = 10,818,974.81

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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.