Home / 21,367,388.77-29,487,099.15-11,577,830.36

Finding the Fourth Proportional to 21,367,388.77, 29,487,099.15 and 11,577,830.36

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Solution

The fourth proportional to 21,367,388.77, 29,487,099.15 and 11,577,830.36 is: 15,977,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,388.77 : 29,487,099.15 = 11,577,830.36 : x
  2. Step 2: Convert to fraction form
    21,367,388.77/29,487,099.15 = 11,577,830.36/x
  3. Step 3: Cross multiply
    21,367,388.77x = 29,487,099.15 × 11,577,830.36
  4. Step 4: Simplify right side
    21,367,388.77x = 341,396,631,619,764.69
  5. Step 5: Solve for x
    x = 341,396,631,619,764.69/21,367,388.77
  6. Step 6: Final answer
    x = 15,977,461.51

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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.