Home / 13,942,487.20-20,913,748.08-4,357,914.88

Finding the Fourth Proportional to 13,942,487.20, 20,913,748.08 and 4,357,914.88

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Solution

The fourth proportional to 13,942,487.20, 20,913,748.08 and 4,357,914.88 is: 6,536,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,487.20 : 20,913,748.08 = 4,357,914.88 : x
  2. Step 2: Convert to fraction form
    13,942,487.20/20,913,748.08 = 4,357,914.88/x
  3. Step 3: Cross multiply
    13,942,487.20x = 20,913,748.08 × 4,357,914.88
  4. Step 4: Simplify right side
    13,942,487.20x = 91,140,333,954,403.42
  5. Step 5: Solve for x
    x = 91,140,333,954,403.42/13,942,487.20
  6. Step 6: Final answer
    x = 6,536,877.72

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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.