Home / 20,269,929.02-27,972,156.34-10,977,423.78

Finding the Fourth Proportional to 20,269,929.02, 27,972,156.34 and 10,977,423.78

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Solution

The fourth proportional to 20,269,929.02, 27,972,156.34 and 10,977,423.78 is: 15,148,657.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,929.02 : 27,972,156.34 = 10,977,423.78 : x
  2. Step 2: Convert to fraction form
    20,269,929.02/27,972,156.34 = 10,977,423.78/x
  3. Step 3: Cross multiply
    20,269,929.02x = 27,972,156.34 × 10,977,423.78
  4. Step 4: Simplify right side
    20,269,929.02x = 307,062,214,184,593.75
  5. Step 5: Solve for x
    x = 307,062,214,184,593.75/20,269,929.02
  6. Step 6: Final answer
    x = 15,148,657.59

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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.