Home / 28,066,820.30-42,100,230.45-27,688,906.70

Finding the Fourth Proportional to 28,066,820.30, 42,100,230.45 and 27,688,906.70

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Solution

The fourth proportional to 28,066,820.30, 42,100,230.45 and 27,688,906.70 is: 41,533,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,820.30 : 42,100,230.45 = 27,688,906.70 : x
  2. Step 2: Convert to fraction form
    28,066,820.30/42,100,230.45 = 27,688,906.70/x
  3. Step 3: Cross multiply
    28,066,820.30x = 42,100,230.45 × 27,688,906.70
  4. Step 4: Simplify right side
    28,066,820.30x = 1,165,709,352,978,549
  5. Step 5: Solve for x
    x = 1,165,709,352,978,549/28,066,820.30
  6. Step 6: Final answer
    x = 41,533,360.05

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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.