Home / 7,482,097.92-11,205,333.78-4,778,047.38

Finding the Fourth Proportional to 7,482,097.92, 11,205,333.78 and 4,778,047.38

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Solution

The fourth proportional to 7,482,097.92, 11,205,333.78 and 4,778,047.38 is: 7,155,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482,097.92 : 11,205,333.78 = 4,778,047.38 : x
  2. Step 2: Convert to fraction form
    7,482,097.92/11,205,333.78 = 4,778,047.38/x
  3. Step 3: Cross multiply
    7,482,097.92x = 11,205,333.78 × 4,778,047.38
  4. Step 4: Simplify right side
    7,482,097.92x = 53,539,615,709,554.49
  5. Step 5: Solve for x
    x = 53,539,615,709,554.49/7,482,097.92
  6. Step 6: Final answer
    x = 7,155,695.67

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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.