Home / 10,743,631.60-16,115,447.40-10,631,657.20

Finding the Fourth Proportional to 10,743,631.60, 16,115,447.40 and 10,631,657.20

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Solution

The fourth proportional to 10,743,631.60, 16,115,447.40 and 10,631,657.20 is: 15,947,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743,631.60 : 16,115,447.40 = 10,631,657.20 : x
  2. Step 2: Convert to fraction form
    10,743,631.60/16,115,447.40 = 10,631,657.20/x
  3. Step 3: Cross multiply
    10,743,631.60x = 16,115,447.40 × 10,631,657.20
  4. Step 4: Simplify right side
    10,743,631.60x = 171,333,912,381,431.28
  5. Step 5: Solve for x
    x = 171,333,912,381,431.28/10,743,631.60
  6. Step 6: Final answer
    x = 15,947,485.80

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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.