Home / 13,872,214.20-20,811,950.10-5,352,828.60

Finding the Fourth Proportional to 13,872,214.20, 20,811,950.10 and 5,352,828.60

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Solution

The fourth proportional to 13,872,214.20, 20,811,950.10 and 5,352,828.60 is: 8,030,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,214.20 : 20,811,950.10 = 5,352,828.60 : x
  2. Step 2: Convert to fraction form
    13,872,214.20/20,811,950.10 = 5,352,828.60/x
  3. Step 3: Cross multiply
    13,872,214.20x = 20,811,950.10 × 5,352,828.60
  4. Step 4: Simplify right side
    13,872,214.20x = 111,402,801,717,052.86
  5. Step 5: Solve for x
    x = 111,402,801,717,052.86/13,872,214.20
  6. Step 6: Final answer
    x = 8,030,643.13

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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.