Home / 8,171,021.20-12,256,531.80-2,785,752.40

Finding the Fourth Proportional to 8,171,021.20, 12,256,531.80 and 2,785,752.40

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Solution

The fourth proportional to 8,171,021.20, 12,256,531.80 and 2,785,752.40 is: 4,178,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,021.20 : 12,256,531.80 = 2,785,752.40 : x
  2. Step 2: Convert to fraction form
    8,171,021.20/12,256,531.80 = 2,785,752.40/x
  3. Step 3: Cross multiply
    8,171,021.20x = 12,256,531.80 × 2,785,752.40
  4. Step 4: Simplify right side
    8,171,021.20x = 34,143,662,877,526.32
  5. Step 5: Solve for x
    x = 34,143,662,877,526.32/8,171,021.20
  6. Step 6: Final answer
    x = 4,178,628.60

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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.