Home / 9,190,003.65-13,789,434.15-6,488,511.90

Finding the Fourth Proportional to 9,190,003.65, 13,789,434.15 and 6,488,511.90

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Solution

The fourth proportional to 9,190,003.65, 13,789,434.15 and 6,488,511.90 is: 9,735,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190,003.65 : 13,789,434.15 = 6,488,511.90 : x
  2. Step 2: Convert to fraction form
    9,190,003.65/13,789,434.15 = 6,488,511.90/x
  3. Step 3: Cross multiply
    9,190,003.65x = 13,789,434.15 × 6,488,511.90
  4. Step 4: Simplify right side
    9,190,003.65x = 89,472,907,576,541.39
  5. Step 5: Solve for x
    x = 89,472,907,576,541.39/9,190,003.65
  6. Step 6: Final answer
    x = 9,735,894.67

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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.