Home / 13,824,099.40-20,736,149.10-12,879,315.40

Finding the Fourth Proportional to 13,824,099.40, 20,736,149.10 and 12,879,315.40

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Solution

The fourth proportional to 13,824,099.40, 20,736,149.10 and 12,879,315.40 is: 19,318,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,099.40 : 20,736,149.10 = 12,879,315.40 : x
  2. Step 2: Convert to fraction form
    13,824,099.40/20,736,149.10 = 12,879,315.40/x
  3. Step 3: Cross multiply
    13,824,099.40x = 20,736,149.10 × 12,879,315.40
  4. Step 4: Simplify right side
    13,824,099.40x = 267,067,404,440,326.16
  5. Step 5: Solve for x
    x = 267,067,404,440,326.16/13,824,099.40
  6. Step 6: Final answer
    x = 19,318,973.10

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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.