Home / 8,637,899.31-12,959,270.43-3,780,628.80

Finding the Fourth Proportional to 8,637,899.31, 12,959,270.43 and 3,780,628.80

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Solution

The fourth proportional to 8,637,899.31, 12,959,270.43 and 3,780,628.80 is: 5,672,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,899.31 : 12,959,270.43 = 3,780,628.80 : x
  2. Step 2: Convert to fraction form
    8,637,899.31/12,959,270.43 = 3,780,628.80/x
  3. Step 3: Cross multiply
    8,637,899.31x = 12,959,270.43 × 3,780,628.80
  4. Step 4: Simplify right side
    8,637,899.31x = 48,994,191,014,646.38
  5. Step 5: Solve for x
    x = 48,994,191,014,646.38/8,637,899.31
  6. Step 6: Final answer
    x = 5,672,003.02

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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.