Home / 12,451,492.70-18,659,743.05-9,897,076.70

Finding the Fourth Proportional to 12,451,492.70, 18,659,743.05 and 9,897,076.70

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Solution

The fourth proportional to 12,451,492.70, 18,659,743.05 and 9,897,076.70 is: 14,831,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,492.70 : 18,659,743.05 = 9,897,076.70 : x
  2. Step 2: Convert to fraction form
    12,451,492.70/18,659,743.05 = 9,897,076.70/x
  3. Step 3: Cross multiply
    12,451,492.70x = 18,659,743.05 × 9,897,076.70
  4. Step 4: Simplify right side
    12,451,492.70x = 184,676,908,168,141.94
  5. Step 5: Solve for x
    x = 184,676,908,168,141.94/12,451,492.70
  6. Step 6: Final answer
    x = 14,831,708.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.