Home / 7,275,770.40-10,913,655.60-2,158,384.80

Finding the Fourth Proportional to 7,275,770.40, 10,913,655.60 and 2,158,384.80

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Solution

The fourth proportional to 7,275,770.40, 10,913,655.60 and 2,158,384.80 is: 3,237,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,770.40 : 10,913,655.60 = 2,158,384.80 : x
  2. Step 2: Convert to fraction form
    7,275,770.40/10,913,655.60 = 2,158,384.80/x
  3. Step 3: Cross multiply
    7,275,770.40x = 10,913,655.60 × 2,158,384.80
  4. Step 4: Simplify right side
    7,275,770.40x = 23,555,868,359,474.88
  5. Step 5: Solve for x
    x = 23,555,868,359,474.88/7,275,770.40
  6. Step 6: Final answer
    x = 3,237,577.20

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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.