Home / 10,631,841.60-15,949,327.20-3,440,985.60

Finding the Fourth Proportional to 10,631,841.60, 15,949,327.20 and 3,440,985.60

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Solution

The fourth proportional to 10,631,841.60, 15,949,327.20 and 3,440,985.60 is: 5,161,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,841.60 : 15,949,327.20 = 3,440,985.60 : x
  2. Step 2: Convert to fraction form
    10,631,841.60/15,949,327.20 = 3,440,985.60/x
  3. Step 3: Cross multiply
    10,631,841.60x = 15,949,327.20 × 3,440,985.60
  4. Step 4: Simplify right side
    10,631,841.60x = 54,881,405,224,888.32
  5. Step 5: Solve for x
    x = 54,881,405,224,888.32/10,631,841.60
  6. Step 6: Final answer
    x = 5,161,984.85

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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.