Home / 13,653,697.80-18,842,675.10-7,852,483.47

Finding the Fourth Proportional to 13,653,697.80, 18,842,675.10 and 7,852,483.47

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Solution

The fourth proportional to 13,653,697.80, 18,842,675.10 and 7,852,483.47 is: 10,836,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,697.80 : 18,842,675.10 = 7,852,483.47 : x
  2. Step 2: Convert to fraction form
    13,653,697.80/18,842,675.10 = 7,852,483.47/x
  3. Step 3: Cross multiply
    13,653,697.80x = 18,842,675.10 × 7,852,483.47
  4. Step 4: Simplify right side
    13,653,697.80x = 147,961,794,753,330.59
  5. Step 5: Solve for x
    x = 147,961,794,753,330.59/13,653,697.80
  6. Step 6: Final answer
    x = 10,836,756.23

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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.