Home / 7,384,311.80-10,190,861.58-4,121,761.40

Finding the Fourth Proportional to 7,384,311.80, 10,190,861.58 and 4,121,761.40

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Solution

The fourth proportional to 7,384,311.80, 10,190,861.58 and 4,121,761.40 is: 5,688,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384,311.80 : 10,190,861.58 = 4,121,761.40 : x
  2. Step 2: Convert to fraction form
    7,384,311.80/10,190,861.58 = 4,121,761.40/x
  3. Step 3: Cross multiply
    7,384,311.80x = 10,190,861.58 × 4,121,761.40
  4. Step 4: Simplify right side
    7,384,311.80x = 42,004,299,893,187.01
  5. Step 5: Solve for x
    x = 42,004,299,893,187.01/7,384,311.80
  6. Step 6: Final answer
    x = 5,688,316.13

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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.