Home / 19,955,101.80-29,940,525.90-7,822,500.60

Finding the Fourth Proportional to 19,955,101.80, 29,940,525.90 and 7,822,500.60

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Solution

The fourth proportional to 19,955,101.80, 29,940,525.90 and 7,822,500.60 is: 11,736,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,101.80 : 29,940,525.90 = 7,822,500.60 : x
  2. Step 2: Convert to fraction form
    19,955,101.80/29,940,525.90 = 7,822,500.60/x
  3. Step 3: Cross multiply
    19,955,101.80x = 29,940,525.90 × 7,822,500.60
  4. Step 4: Simplify right side
    19,955,101.80x = 234,209,781,817,065.53
  5. Step 5: Solve for x
    x = 234,209,781,817,065.53/19,955,101.80
  6. Step 6: Final answer
    x = 11,736,837.23

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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.