Home / 13,498,852.93-18,628,404.98-7,619,724.65

Finding the Fourth Proportional to 13,498,852.93, 18,628,404.98 and 7,619,724.65

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Solution

The fourth proportional to 13,498,852.93, 18,628,404.98 and 7,619,724.65 is: 10,515,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498,852.93 : 18,628,404.98 = 7,619,724.65 : x
  2. Step 2: Convert to fraction form
    13,498,852.93/18,628,404.98 = 7,619,724.65/x
  3. Step 3: Cross multiply
    13,498,852.93x = 18,628,404.98 × 7,619,724.65
  4. Step 4: Simplify right side
    13,498,852.93x = 141,943,316,624,761.16
  5. Step 5: Solve for x
    x = 141,943,316,624,761.16/13,498,852.93
  6. Step 6: Final answer
    x = 10,515,213.21

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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.