Home / 7,140,057.16-9,853,178.06-4,042,500.62

Finding the Fourth Proportional to 7,140,057.16, 9,853,178.06 and 4,042,500.62

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Solution

The fourth proportional to 7,140,057.16, 9,853,178.06 and 4,042,500.62 is: 5,578,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,057.16 : 9,853,178.06 = 4,042,500.62 : x
  2. Step 2: Convert to fraction form
    7,140,057.16/9,853,178.06 = 4,042,500.62/x
  3. Step 3: Cross multiply
    7,140,057.16x = 9,853,178.06 × 4,042,500.62
  4. Step 4: Simplify right side
    7,140,057.16x = 39,831,478,416,520.40
  5. Step 5: Solve for x
    x = 39,831,478,416,520.40/7,140,057.16
  6. Step 6: Final answer
    x = 5,578,593.77

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1.5x scale

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.