Home / 5,428,363.70-8,142,545.55-4,631,202.20

Finding the Fourth Proportional to 5,428,363.70, 8,142,545.55 and 4,631,202.20

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Solution

The fourth proportional to 5,428,363.70, 8,142,545.55 and 4,631,202.20 is: 6,946,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,363.70 : 8,142,545.55 = 4,631,202.20 : x
  2. Step 2: Convert to fraction form
    5,428,363.70/8,142,545.55 = 4,631,202.20/x
  3. Step 3: Cross multiply
    5,428,363.70x = 8,142,545.55 × 4,631,202.20
  4. Step 4: Simplify right side
    5,428,363.70x = 37,709,774,864,760.21
  5. Step 5: Solve for x
    x = 37,709,774,864,760.21/5,428,363.70
  6. Step 6: Final answer
    x = 6,946,803.30

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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.