Home / 13,290,848.30-19,936,272.46-7,244,230.70

Finding the Fourth Proportional to 13,290,848.30, 19,936,272.46 and 7,244,230.70

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Solution

The fourth proportional to 13,290,848.30, 19,936,272.46 and 7,244,230.70 is: 10,866,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,848.30 : 19,936,272.46 = 7,244,230.70 : x
  2. Step 2: Convert to fraction form
    13,290,848.30/19,936,272.46 = 7,244,230.70/x
  3. Step 3: Cross multiply
    13,290,848.30x = 19,936,272.46 × 7,244,230.70
  4. Step 4: Simplify right side
    13,290,848.30x = 144,422,956,998,296.53
  5. Step 5: Solve for x
    x = 144,422,956,998,296.53/13,290,848.30
  6. Step 6: Final answer
    x = 10,866,346.06

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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.