Home / 21,221,495.23-31,832,203.07-6,649,530.30

Finding the Fourth Proportional to 21,221,495.23, 31,832,203.07 and 6,649,530.30

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Solution

The fourth proportional to 21,221,495.23, 31,832,203.07 and 6,649,530.30 is: 9,974,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,221,495.23 : 31,832,203.07 = 6,649,530.30 : x
  2. Step 2: Convert to fraction form
    21,221,495.23/31,832,203.07 = 6,649,530.30/x
  3. Step 3: Cross multiply
    21,221,495.23x = 31,832,203.07 × 6,649,530.30
  4. Step 4: Simplify right side
    21,221,495.23x = 211,669,198,689,567.47
  5. Step 5: Solve for x
    x = 211,669,198,689,567.47/21,221,495.23
  6. Step 6: Final answer
    x = 9,974,282.98

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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.