Home / 13,565,293.20-20,347,939.80-12,289,834.80

Finding the Fourth Proportional to 13,565,293.20, 20,347,939.80 and 12,289,834.80

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Solution

The fourth proportional to 13,565,293.20, 20,347,939.80 and 12,289,834.80 is: 18,434,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,293.20 : 20,347,939.80 = 12,289,834.80 : x
  2. Step 2: Convert to fraction form
    13,565,293.20/20,347,939.80 = 12,289,834.80/x
  3. Step 3: Cross multiply
    13,565,293.20x = 20,347,939.80 × 12,289,834.80
  4. Step 4: Simplify right side
    13,565,293.20x = 250,072,818,662,345.06
  5. Step 5: Solve for x
    x = 250,072,818,662,345.06/13,565,293.20
  6. Step 6: Final answer
    x = 18,434,752.20

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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.