Home / 20,142,273.21-27,796,341.03-10,974,915.96

Finding the Fourth Proportional to 20,142,273.21, 27,796,341.03 and 10,974,915.96

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Solution

The fourth proportional to 20,142,273.21, 27,796,341.03 and 10,974,915.96 is: 15,145,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,273.21 : 27,796,341.03 = 10,974,915.96 : x
  2. Step 2: Convert to fraction form
    20,142,273.21/27,796,341.03 = 10,974,915.96/x
  3. Step 3: Cross multiply
    20,142,273.21x = 27,796,341.03 × 10,974,915.96
  4. Step 4: Simplify right side
    20,142,273.21x = 305,062,506,799,749.88
  5. Step 5: Solve for x
    x = 305,062,506,799,749.88/20,142,273.21
  6. Step 6: Final answer
    x = 15,145,386.20

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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.