Home / 13,436,090.40-18,393,460.96-13,340,037.36

Finding the Fourth Proportional to 13,436,090.40, 18,393,460.96 and 13,340,037.36

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Solution

The fourth proportional to 13,436,090.40, 18,393,460.96 and 13,340,037.36 is: 18,261,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,090.40 : 18,393,460.96 = 13,340,037.36 : x
  2. Step 2: Convert to fraction form
    13,436,090.40/18,393,460.96 = 13,340,037.36/x
  3. Step 3: Cross multiply
    13,436,090.40x = 18,393,460.96 × 13,340,037.36
  4. Step 4: Simplify right side
    13,436,090.40x = 245,369,456,386,101.47
  5. Step 5: Solve for x
    x = 245,369,456,386,101.47/13,436,090.40
  6. Step 6: Final answer
    x = 18,261,968.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.