Home / 20,280,803.76-30,400,735.32-12,713,083.92

Finding the Fourth Proportional to 20,280,803.76, 30,400,735.32 and 12,713,083.92

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Solution

The fourth proportional to 20,280,803.76, 30,400,735.32 and 12,713,083.92 is: 19,056,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,803.76 : 30,400,735.32 = 12,713,083.92 : x
  2. Step 2: Convert to fraction form
    20,280,803.76/30,400,735.32 = 12,713,083.92/x
  3. Step 3: Cross multiply
    20,280,803.76x = 30,400,735.32 × 12,713,083.92
  4. Step 4: Simplify right side
    20,280,803.76x = 386,487,099,352,868.06
  5. Step 5: Solve for x
    x = 386,487,099,352,868.06/20,280,803.76
  6. Step 6: Final answer
    x = 19,056,794.00

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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.