Home / 7,841,216.80-11,762,408.40-2,791,871.20

Finding the Fourth Proportional to 7,841,216.80, 11,762,408.40 and 2,791,871.20

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Solution

The fourth proportional to 7,841,216.80, 11,762,408.40 and 2,791,871.20 is: 4,188,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841,216.80 : 11,762,408.40 = 2,791,871.20 : x
  2. Step 2: Convert to fraction form
    7,841,216.80/11,762,408.40 = 2,791,871.20/x
  3. Step 3: Cross multiply
    7,841,216.80x = 11,762,408.40 × 2,791,871.20
  4. Step 4: Simplify right side
    7,841,216.80x = 32,839,129,254,598.08
  5. Step 5: Solve for x
    x = 32,839,129,254,598.08/7,841,216.80
  6. Step 6: Final answer
    x = 4,188,014.45

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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.