Home / 28,256,803.83-42,323,410.08-20,034,522.81

Finding the Fourth Proportional to 28,256,803.83, 42,323,410.08 and 20,034,522.81

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Solution

The fourth proportional to 28,256,803.83, 42,323,410.08 and 20,034,522.81 is: 30,007,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,803.83 : 42,323,410.08 = 20,034,522.81 : x
  2. Step 2: Convert to fraction form
    28,256,803.83/42,323,410.08 = 20,034,522.81/x
  3. Step 3: Cross multiply
    28,256,803.83x = 42,323,410.08 × 20,034,522.81
  4. Step 4: Simplify right side
    28,256,803.83x = 847,929,324,644,743.88
  5. Step 5: Solve for x
    x = 847,929,324,644,743.88/28,256,803.83
  6. Step 6: Final answer
    x = 30,007,970.11

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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.