Home / 21,868,218.60-32,802,327.90-10,505,927.40

Finding the Fourth Proportional to 21,868,218.60, 32,802,327.90 and 10,505,927.40

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Solution

The fourth proportional to 21,868,218.60, 32,802,327.90 and 10,505,927.40 is: 15,758,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,868,218.60 : 32,802,327.90 = 10,505,927.40 : x
  2. Step 2: Convert to fraction form
    21,868,218.60/32,802,327.90 = 10,505,927.40/x
  3. Step 3: Cross multiply
    21,868,218.60x = 32,802,327.90 × 10,505,927.40
  4. Step 4: Simplify right side
    21,868,218.60x = 344,618,875,468,394.44
  5. Step 5: Solve for x
    x = 344,618,875,468,394.44/21,868,218.60
  6. Step 6: Final answer
    x = 15,758,891.10

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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.