Home / 20,269,929.27-27,972,156.69-10,977,424.02

Finding the Fourth Proportional to 20,269,929.27, 27,972,156.69 and 10,977,424.02

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Solution

The fourth proportional to 20,269,929.27, 27,972,156.69 and 10,977,424.02 is: 15,148,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,929.27 : 27,972,156.69 = 10,977,424.02 : x
  2. Step 2: Convert to fraction form
    20,269,929.27/27,972,156.69 = 10,977,424.02/x
  3. Step 3: Cross multiply
    20,269,929.27x = 27,972,156.69 × 10,977,424.02
  4. Step 4: Simplify right side
    20,269,929.27x = 307,062,224,740,009.69
  5. Step 5: Solve for x
    x = 307,062,224,740,009.69/20,269,929.27
  6. Step 6: Final answer
    x = 15,148,657.93

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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.