Home / 15,642,593.17-21,589,003.15-8,674,820.39

Finding the Fourth Proportional to 15,642,593.17, 21,589,003.15 and 8,674,820.39

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Solution

The fourth proportional to 15,642,593.17, 21,589,003.15 and 8,674,820.39 is: 11,972,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,593.17 : 21,589,003.15 = 8,674,820.39 : x
  2. Step 2: Convert to fraction form
    15,642,593.17/21,589,003.15 = 8,674,820.39/x
  3. Step 3: Cross multiply
    15,642,593.17x = 21,589,003.15 × 8,674,820.39
  4. Step 4: Simplify right side
    15,642,593.17x = 187,280,724,725,394.22
  5. Step 5: Solve for x
    x = 187,280,724,725,394.22/15,642,593.17
  6. Step 6: Final answer
    x = 11,972,485.81

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1.5x scale

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.