Home / 7,792,509.60-11,688,764.40-3,540,981.60

Finding the Fourth Proportional to 7,792,509.60, 11,688,764.40 and 3,540,981.60

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Solution

The fourth proportional to 7,792,509.60, 11,688,764.40 and 3,540,981.60 is: 5,311,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792,509.60 : 11,688,764.40 = 3,540,981.60 : x
  2. Step 2: Convert to fraction form
    7,792,509.60/11,688,764.40 = 3,540,981.60/x
  3. Step 3: Cross multiply
    7,792,509.60x = 11,688,764.40 × 3,540,981.60
  4. Step 4: Simplify right side
    7,792,509.60x = 41,389,699,667,135.04
  5. Step 5: Solve for x
    x = 41,389,699,667,135.04/7,792,509.60
  6. Step 6: Final answer
    x = 5,311,472.40

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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.