Home / 21,001,499.70-31,466,820.15-10,195,532.70

Finding the Fourth Proportional to 21,001,499.70, 31,466,820.15 and 10,195,532.70

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Solution

The fourth proportional to 21,001,499.70, 31,466,820.15 and 10,195,532.70 is: 15,276,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,499.70 : 31,466,820.15 = 10,195,532.70 : x
  2. Step 2: Convert to fraction form
    21,001,499.70/31,466,820.15 = 10,195,532.70/x
  3. Step 3: Cross multiply
    21,001,499.70x = 31,466,820.15 × 10,195,532.70
  4. Step 4: Simplify right side
    21,001,499.70x = 320,820,993,804,343.88
  5. Step 5: Solve for x
    x = 320,820,993,804,343.88/21,001,499.70
  6. Step 6: Final answer
    x = 15,276,099.25

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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.