Home / 13,193,080.80-19,789,621.20-4,674,278.40

Finding the Fourth Proportional to 13,193,080.80, 19,789,621.20 and 4,674,278.40

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Solution

The fourth proportional to 13,193,080.80, 19,789,621.20 and 4,674,278.40 is: 7,011,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,080.80 : 19,789,621.20 = 4,674,278.40 : x
  2. Step 2: Convert to fraction form
    13,193,080.80/19,789,621.20 = 4,674,278.40/x
  3. Step 3: Cross multiply
    13,193,080.80x = 19,789,621.20 × 4,674,278.40
  4. Step 4: Simplify right side
    13,193,080.80x = 92,502,198,919,342.08
  5. Step 5: Solve for x
    x = 92,502,198,919,342.08/13,193,080.80
  6. Step 6: Final answer
    x = 7,011,417.60

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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.