Home / 28,968,784.92-39,960,297.81-18,084,873.24

Finding the Fourth Proportional to 28,968,784.92, 39,960,297.81 and 18,084,873.24

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Solution

The fourth proportional to 28,968,784.92, 39,960,297.81 and 18,084,873.24 is: 24,946,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968,784.92 : 39,960,297.81 = 18,084,873.24 : x
  2. Step 2: Convert to fraction form
    28,968,784.92/39,960,297.81 = 18,084,873.24/x
  3. Step 3: Cross multiply
    28,968,784.92x = 39,960,297.81 × 18,084,873.24
  4. Step 4: Simplify right side
    28,968,784.92x = 722,676,920,526,499.62
  5. Step 5: Solve for x
    x = 722,676,920,526,499.62/28,968,784.92
  6. Step 6: Final answer
    x = 24,946,746.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.