Home / 13,475,442.70-20,214,038.85-7,098,150.70

Finding the Fourth Proportional to 13,475,442.70, 20,214,038.85 and 7,098,150.70

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Solution

The fourth proportional to 13,475,442.70, 20,214,038.85 and 7,098,150.70 is: 10,647,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,442.70 : 20,214,038.85 = 7,098,150.70 : x
  2. Step 2: Convert to fraction form
    13,475,442.70/20,214,038.85 = 7,098,150.70/x
  3. Step 3: Cross multiply
    13,475,442.70x = 20,214,038.85 × 7,098,150.70
  4. Step 4: Simplify right side
    13,475,442.70x = 143,482,294,012,954.72
  5. Step 5: Solve for x
    x = 143,482,294,012,954.72/13,475,442.70
  6. Step 6: Final answer
    x = 10,647,686.85

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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.