Home / 19,216,749.60-28,790,132.40-9,097,063.20

Finding the Fourth Proportional to 19,216,749.60, 28,790,132.40 and 9,097,063.20

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Solution

The fourth proportional to 19,216,749.60, 28,790,132.40 and 9,097,063.20 is: 13,629,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216,749.60 : 28,790,132.40 = 9,097,063.20 : x
  2. Step 2: Convert to fraction form
    19,216,749.60/28,790,132.40 = 9,097,063.20/x
  3. Step 3: Cross multiply
    19,216,749.60x = 28,790,132.40 × 9,097,063.20
  4. Step 4: Simplify right side
    19,216,749.60x = 261,905,653,979,167.66
  5. Step 5: Solve for x
    x = 261,905,653,979,167.66/19,216,749.60
  6. Step 6: Final answer
    x = 13,629,029.85

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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.