Home / 7,086,285.40-10,618,541.70-5,280,698.20

Finding the Fourth Proportional to 7,086,285.40, 10,618,541.70 and 5,280,698.20

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Solution

The fourth proportional to 7,086,285.40, 10,618,541.70 and 5,280,698.20 is: 7,912,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,285.40 : 10,618,541.70 = 5,280,698.20 : x
  2. Step 2: Convert to fraction form
    7,086,285.40/10,618,541.70 = 5,280,698.20/x
  3. Step 3: Cross multiply
    7,086,285.40x = 10,618,541.70 × 5,280,698.20
  4. Step 4: Simplify right side
    7,086,285.40x = 56,073,314,041,814.94
  5. Step 5: Solve for x
    x = 56,073,314,041,814.94/7,086,285.40
  6. Step 6: Final answer
    x = 7,912,934.76

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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.