Home / 6,240,572.35-9,346,861.73-5,120,828.35

Finding the Fourth Proportional to 6,240,572.35, 9,346,861.73 and 5,120,828.35

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Solution

The fourth proportional to 6,240,572.35, 9,346,861.73 and 5,120,828.35 is: 7,669,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,572.35 : 9,346,861.73 = 5,120,828.35 : x
  2. Step 2: Convert to fraction form
    6,240,572.35/9,346,861.73 = 5,120,828.35/x
  3. Step 3: Cross multiply
    6,240,572.35x = 9,346,861.73 × 5,120,828.35
  4. Step 4: Simplify right side
    6,240,572.35x = 47,863,674,504,909.90
  5. Step 5: Solve for x
    x = 47,863,674,504,909.90/6,240,572.35
  6. Step 6: Final answer
    x = 7,669,757.17

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1.5x scale

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.