Home / 21,384,296.70-32,020,457.85-15,673,602.30

Finding the Fourth Proportional to 21,384,296.70, 32,020,457.85 and 15,673,602.30

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Solution

The fourth proportional to 21,384,296.70, 32,020,457.85 and 15,673,602.30 is: 23,469,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,296.70 : 32,020,457.85 = 15,673,602.30 : x
  2. Step 2: Convert to fraction form
    21,384,296.70/32,020,457.85 = 15,673,602.30/x
  3. Step 3: Cross multiply
    21,384,296.70x = 32,020,457.85 × 15,673,602.30
  4. Step 4: Simplify right side
    21,384,296.70x = 501,875,921,804,813.12
  5. Step 5: Solve for x
    x = 501,875,921,804,813.12/21,384,296.70
  6. Step 6: Final answer
    x = 23,469,367.68

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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.