Home / 22,863,901.78-31,551,339.57-12,409,693.65

Finding the Fourth Proportional to 22,863,901.78, 31,551,339.57 and 12,409,693.65

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Solution

The fourth proportional to 22,863,901.78, 31,551,339.57 and 12,409,693.65 is: 17,124,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863,901.78 : 31,551,339.57 = 12,409,693.65 : x
  2. Step 2: Convert to fraction form
    22,863,901.78/31,551,339.57 = 12,409,693.65/x
  3. Step 3: Cross multiply
    22,863,901.78x = 31,551,339.57 × 12,409,693.65
  4. Step 4: Simplify right side
    22,863,901.78x = 391,542,458,333,121.12
  5. Step 5: Solve for x
    x = 391,542,458,333,121.12/22,863,901.78
  6. Step 6: Final answer
    x = 17,124,918.67

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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.