Home / 6,462,577.31-8,918,312.02-3,561,969.74

Finding the Fourth Proportional to 6,462,577.31, 8,918,312.02 and 3,561,969.74

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Solution

The fourth proportional to 6,462,577.31, 8,918,312.02 and 3,561,969.74 is: 4,915,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462,577.31 : 8,918,312.02 = 3,561,969.74 : x
  2. Step 2: Convert to fraction form
    6,462,577.31/8,918,312.02 = 3,561,969.74/x
  3. Step 3: Cross multiply
    6,462,577.31x = 8,918,312.02 × 3,561,969.74
  4. Step 4: Simplify right side
    6,462,577.31x = 31,766,757,493,621.79
  5. Step 5: Solve for x
    x = 31,766,757,493,621.79/6,462,577.31
  6. Step 6: Final answer
    x = 4,915,493.62

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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.