Home / 9,171,315.20-13,756,972.80-8,289,516.80

Finding the Fourth Proportional to 9,171,315.20, 13,756,972.80 and 8,289,516.80

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Solution

The fourth proportional to 9,171,315.20, 13,756,972.80 and 8,289,516.80 is: 12,434,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,315.20 : 13,756,972.80 = 8,289,516.80 : x
  2. Step 2: Convert to fraction form
    9,171,315.20/13,756,972.80 = 8,289,516.80/x
  3. Step 3: Cross multiply
    9,171,315.20x = 13,756,972.80 × 8,289,516.80
  4. Step 4: Simplify right side
    9,171,315.20x = 114,038,657,142,743.05
  5. Step 5: Solve for x
    x = 114,038,657,142,743.05/9,171,315.20
  6. Step 6: Final answer
    x = 12,434,275.20

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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.