Home / 21,557,465.60-32,336,198.40-18,723,113.60

Finding the Fourth Proportional to 21,557,465.60, 32,336,198.40 and 18,723,113.60

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Solution

The fourth proportional to 21,557,465.60, 32,336,198.40 and 18,723,113.60 is: 28,084,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,465.60 : 32,336,198.40 = 18,723,113.60 : x
  2. Step 2: Convert to fraction form
    21,557,465.60/32,336,198.40 = 18,723,113.60/x
  3. Step 3: Cross multiply
    21,557,465.60x = 32,336,198.40 × 18,723,113.60
  4. Step 4: Simplify right side
    21,557,465.60x = 605,434,316,035,338.25
  5. Step 5: Solve for x
    x = 605,434,316,035,338.25/21,557,465.60
  6. Step 6: Final answer
    x = 28,084,670.40

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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.