Home / 8,920,136.63-12,309,788.55-4,845,755.63

Finding the Fourth Proportional to 8,920,136.63, 12,309,788.55 and 4,845,755.63

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Solution

The fourth proportional to 8,920,136.63, 12,309,788.55 and 4,845,755.63 is: 6,687,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,136.63 : 12,309,788.55 = 4,845,755.63 : x
  2. Step 2: Convert to fraction form
    8,920,136.63/12,309,788.55 = 4,845,755.63/x
  3. Step 3: Cross multiply
    8,920,136.63x = 12,309,788.55 × 4,845,755.63
  4. Step 4: Simplify right side
    8,920,136.63x = 59,650,227,108,723.09
  5. Step 5: Solve for x
    x = 59,650,227,108,723.09/8,920,136.63
  6. Step 6: Final answer
    x = 6,687,142.77

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1.5x scale

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.