Home / 7,002,376.76-9,663,322.05-3,905,095.65

Finding the Fourth Proportional to 7,002,376.76, 9,663,322.05 and 3,905,095.65

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Solution

The fourth proportional to 7,002,376.76, 9,663,322.05 and 3,905,095.65 is: 5,389,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,376.76 : 9,663,322.05 = 3,905,095.65 : x
  2. Step 2: Convert to fraction form
    7,002,376.76/9,663,322.05 = 3,905,095.65/x
  3. Step 3: Cross multiply
    7,002,376.76x = 9,663,322.05 × 3,905,095.65
  4. Step 4: Simplify right side
    7,002,376.76x = 37,736,196,882,478.60
  5. Step 5: Solve for x
    x = 37,736,196,882,478.60/7,002,376.76
  6. Step 6: Final answer
    x = 5,389,055.49

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Double scale
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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.