Home / 13,956,335.46-20,934,510.48-5,318,421.75

Finding the Fourth Proportional to 13,956,335.46, 20,934,510.48 and 5,318,421.75

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Solution

The fourth proportional to 13,956,335.46, 20,934,510.48 and 5,318,421.75 is: 7,977,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956,335.46 : 20,934,510.48 = 5,318,421.75 : x
  2. Step 2: Convert to fraction form
    13,956,335.46/20,934,510.48 = 5,318,421.75/x
  3. Step 3: Cross multiply
    13,956,335.46x = 20,934,510.48 × 5,318,421.75
  4. Step 4: Simplify right side
    13,956,335.46x = 111,338,555,862,434.94
  5. Step 5: Solve for x
    x = 111,338,555,862,434.94/13,956,335.46
  6. Step 6: Final answer
    x = 7,977,635.40

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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.