Home / 9,861,206.63-13,608,204.07-5,510,328.69

Finding the Fourth Proportional to 9,861,206.63, 13,608,204.07 and 5,510,328.69

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Solution

The fourth proportional to 9,861,206.63, 13,608,204.07 and 5,510,328.69 is: 7,604,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861,206.63 : 13,608,204.07 = 5,510,328.69 : x
  2. Step 2: Convert to fraction form
    9,861,206.63/13,608,204.07 = 5,510,328.69/x
  3. Step 3: Cross multiply
    9,861,206.63x = 13,608,204.07 × 5,510,328.69
  4. Step 4: Simplify right side
    9,861,206.63x = 74,985,677,306,295.78
  5. Step 5: Solve for x
    x = 74,985,677,306,295.78/9,861,206.63
  6. Step 6: Final answer
    x = 7,604,107.70

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Double scale
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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.