Home / 13,436,842.40-20,156,492.40-5,457,015.20

Finding the Fourth Proportional to 13,436,842.40, 20,156,492.40 and 5,457,015.20

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Solution

The fourth proportional to 13,436,842.40, 20,156,492.40 and 5,457,015.20 is: 8,186,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,842.40 : 20,156,492.40 = 5,457,015.20 : x
  2. Step 2: Convert to fraction form
    13,436,842.40/20,156,492.40 = 5,457,015.20/x
  3. Step 3: Cross multiply
    13,436,842.40x = 20,156,492.40 × 5,457,015.20
  4. Step 4: Simplify right side
    13,436,842.40x = 109,994,285,405,484.47
  5. Step 5: Solve for x
    x = 109,994,285,405,484.47/13,436,842.40
  6. Step 6: Final answer
    x = 8,186,021.84

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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.