Home / 21,397,167.34-29,528,090.92-12,230,006.92

Finding the Fourth Proportional to 21,397,167.34, 29,528,090.92 and 12,230,006.92

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Solution

The fourth proportional to 21,397,167.34, 29,528,090.92 and 12,230,006.92 is: 16,877,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,167.34 : 29,528,090.92 = 12,230,006.92 : x
  2. Step 2: Convert to fraction form
    21,397,167.34/29,528,090.92 = 12,230,006.92/x
  3. Step 3: Cross multiply
    21,397,167.34x = 29,528,090.92 × 12,230,006.92
  4. Step 4: Simplify right side
    21,397,167.34x = 361,128,756,285,989.19
  5. Step 5: Solve for x
    x = 361,128,756,285,989.19/21,397,167.34
  6. Step 6: Final answer
    x = 16,877,409.54

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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.