Home / 10,389,004.74-15,507,427.16-9,161,843.54

Finding the Fourth Proportional to 10,389,004.74, 15,507,427.16 and 9,161,843.54

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Solution

The fourth proportional to 10,389,004.74, 15,507,427.16 and 9,161,843.54 is: 13,675,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,004.74 : 15,507,427.16 = 9,161,843.54 : x
  2. Step 2: Convert to fraction form
    10,389,004.74/15,507,427.16 = 9,161,843.54/x
  3. Step 3: Cross multiply
    10,389,004.74x = 15,507,427.16 × 9,161,843.54
  4. Step 4: Simplify right side
    10,389,004.74x = 142,076,621,293,234.03
  5. Step 5: Solve for x
    x = 142,076,621,293,234.03/10,389,004.74
  6. Step 6: Final answer
    x = 13,675,672.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.