Home / 21,887,511.36-32,837,909.40-11,650,629.30

Finding the Fourth Proportional to 21,887,511.36, 32,837,909.40 and 11,650,629.30

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Solution

The fourth proportional to 21,887,511.36, 32,837,909.40 and 11,650,629.30 is: 17,479,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887,511.36 : 32,837,909.40 = 11,650,629.30 : x
  2. Step 2: Convert to fraction form
    21,887,511.36/32,837,909.40 = 11,650,629.30/x
  3. Step 3: Cross multiply
    21,887,511.36x = 32,837,909.40 × 11,650,629.30
  4. Step 4: Simplify right side
    21,887,511.36x = 382,582,309,406,385.44
  5. Step 5: Solve for x
    x = 382,582,309,406,385.44/21,887,511.36
  6. Step 6: Final answer
    x = 17,479,479.65

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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.