Home / 15,241,755.21-21,033,642.02-8,272,432.32

Finding the Fourth Proportional to 15,241,755.21, 21,033,642.02 and 8,272,432.32

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Solution

The fourth proportional to 15,241,755.21, 21,033,642.02 and 8,272,432.32 is: 11,415,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241,755.21 : 21,033,642.02 = 8,272,432.32 : x
  2. Step 2: Convert to fraction form
    15,241,755.21/21,033,642.02 = 8,272,432.32/x
  3. Step 3: Cross multiply
    15,241,755.21x = 21,033,642.02 × 8,272,432.32
  4. Step 4: Simplify right side
    15,241,755.21x = 173,999,380,053,558.09
  5. Step 5: Solve for x
    x = 173,999,380,053,558.09/15,241,755.21
  6. Step 6: Final answer
    x = 11,415,967.36

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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.