Home / 13,653,703.80-18,842,683.38-7,852,489.50

Finding the Fourth Proportional to 13,653,703.80, 18,842,683.38 and 7,852,489.50

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Solution

The fourth proportional to 13,653,703.80, 18,842,683.38 and 7,852,489.50 is: 10,836,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,703.80 : 18,842,683.38 = 7,852,489.50 : x
  2. Step 2: Convert to fraction form
    13,653,703.80/18,842,683.38 = 7,852,489.50/x
  3. Step 3: Cross multiply
    13,653,703.80x = 18,842,683.38 × 7,852,489.50
  4. Step 4: Simplify right side
    13,653,703.80x = 147,961,973,393,274.50
  5. Step 5: Solve for x
    x = 147,961,973,393,274.50/13,653,703.80
  6. Step 6: Final answer
    x = 10,836,764.56

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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.