Home / 18,318,218.31-25,279,141.37-10,058,280.62

Finding the Fourth Proportional to 18,318,218.31, 25,279,141.37 and 10,058,280.62

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Solution

The fourth proportional to 18,318,218.31, 25,279,141.37 and 10,058,280.62 is: 13,880,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,218.31 : 25,279,141.37 = 10,058,280.62 : x
  2. Step 2: Convert to fraction form
    18,318,218.31/25,279,141.37 = 10,058,280.62/x
  3. Step 3: Cross multiply
    18,318,218.31x = 25,279,141.37 × 10,058,280.62
  4. Step 4: Simplify right side
    18,318,218.31x = 254,264,697,555,424.12
  5. Step 5: Solve for x
    x = 254,264,697,555,424.12/18,318,218.31
  6. Step 6: Final answer
    x = 13,880,427.30

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1.5x scale

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.