Home / 8,569,886.64-12,854,905.29-2,180,145.75

Finding the Fourth Proportional to 8,569,886.64, 12,854,905.29 and 2,180,145.75

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Solution

The fourth proportional to 8,569,886.64, 12,854,905.29 and 2,180,145.75 is: 3,270,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569,886.64 : 12,854,905.29 = 2,180,145.75 : x
  2. Step 2: Convert to fraction form
    8,569,886.64/12,854,905.29 = 2,180,145.75/x
  3. Step 3: Cross multiply
    8,569,886.64x = 12,854,905.29 × 2,180,145.75
  4. Step 4: Simplify right side
    8,569,886.64x = 28,025,567,134,646.02
  5. Step 5: Solve for x
    x = 28,025,567,134,646.02/8,569,886.64
  6. Step 6: Final answer
    x = 3,270,237.79

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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.