Home / 21,260,946.22-31,896,499.32-6,884,029.90

Finding the Fourth Proportional to 21,260,946.22, 31,896,499.32 and 6,884,029.90

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Solution

The fourth proportional to 21,260,946.22, 31,896,499.32 and 6,884,029.90 is: 10,327,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260,946.22 : 31,896,499.32 = 6,884,029.90 : x
  2. Step 2: Convert to fraction form
    21,260,946.22/31,896,499.32 = 6,884,029.90/x
  3. Step 3: Cross multiply
    21,260,946.22x = 31,896,499.32 × 6,884,029.90
  4. Step 4: Simplify right side
    21,260,946.22x = 219,576,455,024,209.69
  5. Step 5: Solve for x
    x = 219,576,455,024,209.69/21,260,946.22
  6. Step 6: Final answer
    x = 10,327,689.69

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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.