Home / 13,445,999.70-20,166,375.15-4,470,551.70

Finding the Fourth Proportional to 13,445,999.70, 20,166,375.15 and 4,470,551.70

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Solution

The fourth proportional to 13,445,999.70, 20,166,375.15 and 4,470,551.70 is: 6,704,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,999.70 : 20,166,375.15 = 4,470,551.70 : x
  2. Step 2: Convert to fraction form
    13,445,999.70/20,166,375.15 = 4,470,551.70/x
  3. Step 3: Cross multiply
    13,445,999.70x = 20,166,375.15 × 4,470,551.70
  4. Step 4: Simplify right side
    13,445,999.70x = 90,154,822,709,670.25
  5. Step 5: Solve for x
    x = 90,154,822,709,670.25/13,445,999.70
  6. Step 6: Final answer
    x = 6,704,954.98

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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.