Home / 13,118,518.80-19,682,693.40-5,146,064.40

Finding the Fourth Proportional to 13,118,518.80, 19,682,693.40 and 5,146,064.40

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Solution

The fourth proportional to 13,118,518.80, 19,682,693.40 and 5,146,064.40 is: 7,721,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,518.80 : 19,682,693.40 = 5,146,064.40 : x
  2. Step 2: Convert to fraction form
    13,118,518.80/19,682,693.40 = 5,146,064.40/x
  3. Step 3: Cross multiply
    13,118,518.80x = 19,682,693.40 × 5,146,064.40
  4. Step 4: Simplify right side
    13,118,518.80x = 101,288,407,801,854.95
  5. Step 5: Solve for x
    x = 101,288,407,801,854.95/13,118,518.80
  6. Step 6: Final answer
    x = 7,721,024.71

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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.