Home / 10,615,080.90-14,647,980.99-5,905,638.84

Finding the Fourth Proportional to 10,615,080.90, 14,647,980.99 and 5,905,638.84

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Solution

The fourth proportional to 10,615,080.90, 14,647,980.99 and 5,905,638.84 is: 8,149,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,080.90 : 14,647,980.99 = 5,905,638.84 : x
  2. Step 2: Convert to fraction form
    10,615,080.90/14,647,980.99 = 5,905,638.84/x
  3. Step 3: Cross multiply
    10,615,080.90x = 14,647,980.99 × 5,905,638.84
  4. Step 4: Simplify right side
    10,615,080.90x = 86,505,685,462,125.66
  5. Step 5: Solve for x
    x = 86,505,685,462,125.66/10,615,080.90
  6. Step 6: Final answer
    x = 8,149,319.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.