Home / 13,326,013.53-19,980,359.55-5,239,777.86

Finding the Fourth Proportional to 13,326,013.53, 19,980,359.55 and 5,239,777.86

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Solution

The fourth proportional to 13,326,013.53, 19,980,359.55 and 5,239,777.86 is: 7,856,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,013.53 : 19,980,359.55 = 5,239,777.86 : x
  2. Step 2: Convert to fraction form
    13,326,013.53/19,980,359.55 = 5,239,777.86/x
  3. Step 3: Cross multiply
    13,326,013.53x = 19,980,359.55 × 5,239,777.86
  4. Step 4: Simplify right side
    13,326,013.53x = 104,692,645,604,929.58
  5. Step 5: Solve for x
    x = 104,692,645,604,929.58/13,326,013.53
  6. Step 6: Final answer
    x = 7,856,261.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.