Home / 13,653,705.80-18,842,686.14-7,852,491.50

Finding the Fourth Proportional to 13,653,705.80, 18,842,686.14 and 7,852,491.50

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Solution

The fourth proportional to 13,653,705.80, 18,842,686.14 and 7,852,491.50 is: 10,836,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,705.80 : 18,842,686.14 = 7,852,491.50 : x
  2. Step 2: Convert to fraction form
    13,653,705.80/18,842,686.14 = 7,852,491.50/x
  3. Step 3: Cross multiply
    13,653,705.80x = 18,842,686.14 × 7,852,491.50
  4. Step 4: Simplify right side
    13,653,705.80x = 147,962,032,751,517.81
  5. Step 5: Solve for x
    x = 147,962,032,751,517.81/13,653,705.80
  6. Step 6: Final answer
    x = 10,836,767.32

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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.