Home / 9,631,225.80-13,290,738.90-5,280,216.70

Finding the Fourth Proportional to 9,631,225.80, 13,290,738.90 and 5,280,216.70

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Solution

The fourth proportional to 9,631,225.80, 13,290,738.90 and 5,280,216.70 is: 7,286,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,225.80 : 13,290,738.90 = 5,280,216.70 : x
  2. Step 2: Convert to fraction form
    9,631,225.80/13,290,738.90 = 5,280,216.70/x
  3. Step 3: Cross multiply
    9,631,225.80x = 13,290,738.90 × 5,280,216.70
  4. Step 4: Simplify right side
    9,631,225.80x = 70,177,981,495,119.63
  5. Step 5: Solve for x
    x = 70,177,981,495,119.63/9,631,225.80
  6. Step 6: Final answer
    x = 7,286,505.68

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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.