Home / 7,418,246.40-11,119,075.20-3,157,689.60

Finding the Fourth Proportional to 7,418,246.40, 11,119,075.20 and 3,157,689.60

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Solution

The fourth proportional to 7,418,246.40, 11,119,075.20 and 3,157,689.60 is: 4,733,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,246.40 : 11,119,075.20 = 3,157,689.60 : x
  2. Step 2: Convert to fraction form
    7,418,246.40/11,119,075.20 = 3,157,689.60/x
  3. Step 3: Cross multiply
    7,418,246.40x = 11,119,075.20 × 3,157,689.60
  4. Step 4: Simplify right side
    7,418,246.40x = 35,110,588,120,657.92
  5. Step 5: Solve for x
    x = 35,110,588,120,657.92/7,418,246.40
  6. Step 6: Final answer
    x = 4,733,003.76

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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.