Home / 21,543,192.72-32,312,395.25-7,709,591.47

Finding the Fourth Proportional to 21,543,192.72, 32,312,395.25 and 7,709,591.47

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Solution

The fourth proportional to 21,543,192.72, 32,312,395.25 and 7,709,591.47 is: 11,563,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543,192.72 : 32,312,395.25 = 7,709,591.47 : x
  2. Step 2: Convert to fraction form
    21,543,192.72/32,312,395.25 = 7,709,591.47/x
  3. Step 3: Cross multiply
    21,543,192.72x = 32,312,395.25 × 7,709,591.47
  4. Step 4: Simplify right side
    21,543,192.72x = 249,115,366,794,668.50
  5. Step 5: Solve for x
    x = 249,115,366,794,668.50/21,543,192.72
  6. Step 6: Final answer
    x = 11,563,530.53

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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.