Home / 18,187,830.90-27,281,746.35-7,399,578.60

Finding the Fourth Proportional to 18,187,830.90, 27,281,746.35 and 7,399,578.60

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Solution

The fourth proportional to 18,187,830.90, 27,281,746.35 and 7,399,578.60 is: 11,099,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,830.90 : 27,281,746.35 = 7,399,578.60 : x
  2. Step 2: Convert to fraction form
    18,187,830.90/27,281,746.35 = 7,399,578.60/x
  3. Step 3: Cross multiply
    18,187,830.90x = 27,281,746.35 × 7,399,578.60
  4. Step 4: Simplify right side
    18,187,830.90x = 201,873,426,462,088.12
  5. Step 5: Solve for x
    x = 201,873,426,462,088.12/18,187,830.90
  6. Step 6: Final answer
    x = 11,099,367.90

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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.