Home / 21,001,500.70-31,466,821.65-10,195,533.70

Finding the Fourth Proportional to 21,001,500.70, 31,466,821.65 and 10,195,533.70

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Solution

The fourth proportional to 21,001,500.70, 31,466,821.65 and 10,195,533.70 is: 15,276,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,500.70 : 31,466,821.65 = 10,195,533.70 : x
  2. Step 2: Convert to fraction form
    21,001,500.70/31,466,821.65 = 10,195,533.70/x
  3. Step 3: Cross multiply
    21,001,500.70x = 31,466,821.65 × 10,195,533.70
  4. Step 4: Simplify right side
    21,001,500.70x = 320,821,040,564,464.56
  5. Step 5: Solve for x
    x = 320,821,040,564,464.56/21,001,500.70
  6. Step 6: Final answer
    x = 15,276,100.75

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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.