Home / 13,392,061.31-18,481,175.87-7,280,621.03

Finding the Fourth Proportional to 13,392,061.31, 18,481,175.87 and 7,280,621.03

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Solution

The fourth proportional to 13,392,061.31, 18,481,175.87 and 7,280,621.03 is: 10,047,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,061.31 : 18,481,175.87 = 7,280,621.03 : x
  2. Step 2: Convert to fraction form
    13,392,061.31/18,481,175.87 = 7,280,621.03/x
  3. Step 3: Cross multiply
    13,392,061.31x = 18,481,175.87 × 7,280,621.03
  4. Step 4: Simplify right side
    13,392,061.31x = 134,554,437,708,050.36
  5. Step 5: Solve for x
    x = 134,554,437,708,050.36/13,392,061.31
  6. Step 6: Final answer
    x = 10,047,328.38

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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.