Home / 8,303,427.20-12,455,140.80-2,319,785.60

Finding the Fourth Proportional to 8,303,427.20, 12,455,140.80 and 2,319,785.60

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Solution

The fourth proportional to 8,303,427.20, 12,455,140.80 and 2,319,785.60 is: 3,479,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,427.20 : 12,455,140.80 = 2,319,785.60 : x
  2. Step 2: Convert to fraction form
    8,303,427.20/12,455,140.80 = 2,319,785.60/x
  3. Step 3: Cross multiply
    8,303,427.20x = 12,455,140.80 × 2,319,785.60
  4. Step 4: Simplify right side
    8,303,427.20x = 28,893,256,273,812.48
  5. Step 5: Solve for x
    x = 28,893,256,273,812.48/8,303,427.20
  6. Step 6: Final answer
    x = 3,479,678.40

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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.