Home / 15,688,893.06-21,652,694.82-8,814,703.86

Finding the Fourth Proportional to 15,688,893.06, 21,652,694.82 and 8,814,703.86

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Solution

The fourth proportional to 15,688,893.06, 21,652,694.82 and 8,814,703.86 is: 12,165,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688,893.06 : 21,652,694.82 = 8,814,703.86 : x
  2. Step 2: Convert to fraction form
    15,688,893.06/21,652,694.82 = 8,814,703.86/x
  3. Step 3: Cross multiply
    15,688,893.06x = 21,652,694.82 × 8,814,703.86
  4. Step 4: Simplify right side
    15,688,893.06x = 190,862,092,609,256
  5. Step 5: Solve for x
    x = 190,862,092,609,256/15,688,893.06
  6. Step 6: Final answer
    x = 12,165,427.60

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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.