Home / 7,113,345.60-10,638,525.60-5,979,604.80

Finding the Fourth Proportional to 7,113,345.60, 10,638,525.60 and 5,979,604.80

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Solution

The fourth proportional to 7,113,345.60, 10,638,525.60 and 5,979,604.80 is: 8,942,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,345.60 : 10,638,525.60 = 5,979,604.80 : x
  2. Step 2: Convert to fraction form
    7,113,345.60/10,638,525.60 = 5,979,604.80/x
  3. Step 3: Cross multiply
    7,113,345.60x = 10,638,525.60 × 5,979,604.80
  4. Step 4: Simplify right side
    7,113,345.60x = 63,614,178,742,682.88
  5. Step 5: Solve for x
    x = 63,614,178,742,682.88/7,113,345.60
  6. Step 6: Final answer
    x = 8,942,933.79

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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.