Home / 8,638,142.08-11,920,562.97-4,770,580.20

Finding the Fourth Proportional to 8,638,142.08, 11,920,562.97 and 4,770,580.20

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Solution

The fourth proportional to 8,638,142.08, 11,920,562.97 and 4,770,580.20 is: 6,583,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,142.08 : 11,920,562.97 = 4,770,580.20 : x
  2. Step 2: Convert to fraction form
    8,638,142.08/11,920,562.97 = 4,770,580.20/x
  3. Step 3: Cross multiply
    8,638,142.08x = 11,920,562.97 × 4,770,580.20
  4. Step 4: Simplify right side
    8,638,142.08x = 56,868,001,677,535.20
  5. Step 5: Solve for x
    x = 56,868,001,677,535.20/8,638,142.08
  6. Step 6: Final answer
    x = 6,583,360.30

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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.