Home / 13,956,352.80-20,913,162.21-9,390,489.72

Finding the Fourth Proportional to 13,956,352.80, 20,913,162.21 and 9,390,489.72

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Solution

The fourth proportional to 13,956,352.80, 20,913,162.21 and 9,390,489.72 is: 14,071,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956,352.80 : 20,913,162.21 = 9,390,489.72 : x
  2. Step 2: Convert to fraction form
    13,956,352.80/20,913,162.21 = 9,390,489.72/x
  3. Step 3: Cross multiply
    13,956,352.80x = 20,913,162.21 × 9,390,489.72
  4. Step 4: Simplify right side
    13,956,352.80x = 196,384,834,745,697.50
  5. Step 5: Solve for x
    x = 196,384,834,745,697.50/13,956,352.80
  6. Step 6: Final answer
    x = 14,071,357.87

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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.