Home / 13,941,979.68-20,912,985.96-4,357,408.44

Finding the Fourth Proportional to 13,941,979.68, 20,912,985.96 and 4,357,408.44

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Solution

The fourth proportional to 13,941,979.68, 20,912,985.96 and 4,357,408.44 is: 6,536,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,979.68 : 20,912,985.96 = 4,357,408.44 : x
  2. Step 2: Convert to fraction form
    13,941,979.68/20,912,985.96 = 4,357,408.44/x
  3. Step 3: Cross multiply
    13,941,979.68x = 20,912,985.96 × 4,357,408.44
  4. Step 4: Simplify right side
    13,941,979.68x = 91,126,421,527,705.52
  5. Step 5: Solve for x
    x = 91,126,421,527,705.52/13,941,979.68
  6. Step 6: Final answer
    x = 6,536,117.80

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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.