Home / 15,109,778.84-20,845,575.90-9,298,471.50

Finding the Fourth Proportional to 15,109,778.84, 20,845,575.90 and 9,298,471.50

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Solution

The fourth proportional to 15,109,778.84, 20,845,575.90 and 9,298,471.50 is: 12,828,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109,778.84 : 20,845,575.90 = 9,298,471.50 : x
  2. Step 2: Convert to fraction form
    15,109,778.84/20,845,575.90 = 9,298,471.50/x
  3. Step 3: Cross multiply
    15,109,778.84x = 20,845,575.90 × 9,298,471.50
  4. Step 4: Simplify right side
    15,109,778.84x = 193,831,993,407,236.84
  5. Step 5: Solve for x
    x = 193,831,993,407,236.84/15,109,778.84
  6. Step 6: Final answer
    x = 12,828,248.22

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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.