Home / 13,889,033.15-20,812,627.87-12,375,426.85

Finding the Fourth Proportional to 13,889,033.15, 20,812,627.87 and 12,375,426.85

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Solution

The fourth proportional to 13,889,033.15, 20,812,627.87 and 12,375,426.85 is: 18,544,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,033.15 : 20,812,627.87 = 12,375,426.85 : x
  2. Step 2: Convert to fraction form
    13,889,033.15/20,812,627.87 = 12,375,426.85/x
  3. Step 3: Cross multiply
    13,889,033.15x = 20,812,627.87 × 12,375,426.85
  4. Step 4: Simplify right side
    13,889,033.15x = 257,565,153,657,393.19
  5. Step 5: Solve for x
    x = 257,565,153,657,393.19/13,889,033.15
  6. Step 6: Final answer
    x = 18,544,498.45

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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.