Home / 10,420,758.71-14,380,731.47-5,774,621.36

Finding the Fourth Proportional to 10,420,758.71, 14,380,731.47 and 5,774,621.36

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Solution

The fourth proportional to 10,420,758.71, 14,380,731.47 and 5,774,621.36 is: 7,969,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,758.71 : 14,380,731.47 = 5,774,621.36 : x
  2. Step 2: Convert to fraction form
    10,420,758.71/14,380,731.47 = 5,774,621.36/x
  3. Step 3: Cross multiply
    10,420,758.71x = 14,380,731.47 × 5,774,621.36
  4. Step 4: Simplify right side
    10,420,758.71x = 83,043,279,090,213.09
  5. Step 5: Solve for x
    x = 83,043,279,090,213.09/10,420,758.71
  6. Step 6: Final answer
    x = 7,969,024.28

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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.