Home / 13,873,421.80-20,810,132.70-13,306,551.40

Finding the Fourth Proportional to 13,873,421.80, 20,810,132.70 and 13,306,551.40

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Solution

The fourth proportional to 13,873,421.80, 20,810,132.70 and 13,306,551.40 is: 19,959,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873,421.80 : 20,810,132.70 = 13,306,551.40 : x
  2. Step 2: Convert to fraction form
    13,873,421.80/20,810,132.70 = 13,306,551.40/x
  3. Step 3: Cross multiply
    13,873,421.80x = 20,810,132.70 × 13,306,551.40
  4. Step 4: Simplify right side
    13,873,421.80x = 276,911,100,413,370.78
  5. Step 5: Solve for x
    x = 276,911,100,413,370.78/13,873,421.80
  6. Step 6: Final answer
    x = 19,959,827.10

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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.