Home / 8,520,509.32-12,780,876.98-2,840,735.46

Finding the Fourth Proportional to 8,520,509.32, 12,780,876.98 and 2,840,735.46

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Solution

The fourth proportional to 8,520,509.32, 12,780,876.98 and 2,840,735.46 is: 4,261,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,509.32 : 12,780,876.98 = 2,840,735.46 : x
  2. Step 2: Convert to fraction form
    8,520,509.32/12,780,876.98 = 2,840,735.46/x
  3. Step 3: Cross multiply
    8,520,509.32x = 12,780,876.98 × 2,840,735.46
  4. Step 4: Simplify right side
    8,520,509.32x = 36,307,090,422,130.41
  5. Step 5: Solve for x
    x = 36,307,090,422,130.41/8,520,509.32
  6. Step 6: Final answer
    x = 4,261,140.86

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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.