Home / 7,157,079.90-10,728,621.45-6,401,252.70

Finding the Fourth Proportional to 7,157,079.90, 10,728,621.45 and 6,401,252.70

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Solution

The fourth proportional to 7,157,079.90, 10,728,621.45 and 6,401,252.70 is: 9,595,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,079.90 : 10,728,621.45 = 6,401,252.70 : x
  2. Step 2: Convert to fraction form
    7,157,079.90/10,728,621.45 = 6,401,252.70/x
  3. Step 3: Cross multiply
    7,157,079.90x = 10,728,621.45 × 6,401,252.70
  4. Step 4: Simplify right side
    7,157,079.90x = 68,676,617,024,090.41
  5. Step 5: Solve for x
    x = 68,676,617,024,090.41/7,157,079.90
  6. Step 6: Final answer
    x = 9,595,619.72

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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.