Home / 13,475,423.70-20,213,135.55-7,407,810.90

Finding the Fourth Proportional to 13,475,423.70, 20,213,135.55 and 7,407,810.90

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Solution

The fourth proportional to 13,475,423.70, 20,213,135.55 and 7,407,810.90 is: 11,111,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,423.70 : 20,213,135.55 = 7,407,810.90 : x
  2. Step 2: Convert to fraction form
    13,475,423.70/20,213,135.55 = 7,407,810.90/x
  3. Step 3: Cross multiply
    13,475,423.70x = 20,213,135.55 × 7,407,810.90
  4. Step 4: Simplify right side
    13,475,423.70x = 149,735,085,850,467.50
  5. Step 5: Solve for x
    x = 149,735,085,850,467.50/13,475,423.70
  6. Step 6: Final answer
    x = 11,111,716.35

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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.