Home / 7,621,576.32-10,518,612.12-4,358,694.72

Finding the Fourth Proportional to 7,621,576.32, 10,518,612.12 and 4,358,694.72

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Solution

The fourth proportional to 7,621,576.32, 10,518,612.12 and 4,358,694.72 is: 6,015,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,576.32 : 10,518,612.12 = 4,358,694.72 : x
  2. Step 2: Convert to fraction form
    7,621,576.32/10,518,612.12 = 4,358,694.72/x
  3. Step 3: Cross multiply
    7,621,576.32x = 10,518,612.12 × 4,358,694.72
  4. Step 4: Simplify right side
    7,621,576.32x = 45,847,419,109,172
  5. Step 5: Solve for x
    x = 45,847,419,109,172/7,621,576.32
  6. Step 6: Final answer
    x = 6,015,477.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.