Home / 8,638,141.08-11,920,561.60-4,770,579.20

Finding the Fourth Proportional to 8,638,141.08, 11,920,561.60 and 4,770,579.20

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Solution

The fourth proportional to 8,638,141.08, 11,920,561.60 and 4,770,579.20 is: 6,583,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,141.08 : 11,920,561.60 = 4,770,579.20 : x
  2. Step 2: Convert to fraction form
    8,638,141.08/11,920,561.60 = 4,770,579.20/x
  3. Step 3: Cross multiply
    8,638,141.08x = 11,920,561.60 × 4,770,579.20
  4. Step 4: Simplify right side
    8,638,141.08x = 56,867,983,137,823.02
  5. Step 5: Solve for x
    x = 56,867,983,137,823.02/8,638,141.08
  6. Step 6: Final answer
    x = 6,583,358.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.