Home / 13,219,891.92-19,829,948.40-3,635,796.16

Finding the Fourth Proportional to 13,219,891.92, 19,829,948.40 and 3,635,796.16

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Solution

The fourth proportional to 13,219,891.92, 19,829,948.40 and 3,635,796.16 is: 5,453,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219,891.92 : 19,829,948.40 = 3,635,796.16 : x
  2. Step 2: Convert to fraction form
    13,219,891.92/19,829,948.40 = 3,635,796.16/x
  3. Step 3: Cross multiply
    13,219,891.92x = 19,829,948.40 × 3,635,796.16
  4. Step 4: Simplify right side
    13,219,891.92x = 72,097,650,245,718.14
  5. Step 5: Solve for x
    x = 72,097,650,245,718.14/13,219,891.92
  6. Step 6: Final answer
    x = 5,453,724.64

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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.