Home / 13,693,221.02-18,897,235.26-7,581,649.52

Finding the Fourth Proportional to 13,693,221.02, 18,897,235.26 and 7,581,649.52

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Solution

The fourth proportional to 13,693,221.02, 18,897,235.26 and 7,581,649.52 is: 10,463,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,221.02 : 18,897,235.26 = 7,581,649.52 : x
  2. Step 2: Convert to fraction form
    13,693,221.02/18,897,235.26 = 7,581,649.52/x
  3. Step 3: Cross multiply
    13,693,221.02x = 18,897,235.26 × 7,581,649.52
  4. Step 4: Simplify right side
    13,693,221.02x = 143,272,214,638,306.09
  5. Step 5: Solve for x
    x = 143,272,214,638,306.09/13,693,221.02
  6. Step 6: Final answer
    x = 10,463,003.15

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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.