Home / 15,037,439.84-20,751,111.31-8,161,774.28

Finding the Fourth Proportional to 15,037,439.84, 20,751,111.31 and 8,161,774.28

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Solution

The fourth proportional to 15,037,439.84, 20,751,111.31 and 8,161,774.28 is: 11,262,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,439.84 : 20,751,111.31 = 8,161,774.28 : x
  2. Step 2: Convert to fraction form
    15,037,439.84/20,751,111.31 = 8,161,774.28/x
  3. Step 3: Cross multiply
    15,037,439.84x = 20,751,111.31 × 8,161,774.28
  4. Step 4: Simplify right side
    15,037,439.84x = 169,365,886,540,335.09
  5. Step 5: Solve for x
    x = 169,365,886,540,335.09/15,037,439.84
  6. Step 6: Final answer
    x = 11,262,946.91

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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.