Home / 13,411,412.88-18,511,309.32-8,259,094.16

Finding the Fourth Proportional to 13,411,412.88, 18,511,309.32 and 8,259,094.16

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Solution

The fourth proportional to 13,411,412.88, 18,511,309.32 and 8,259,094.16 is: 11,399,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,412.88 : 18,511,309.32 = 8,259,094.16 : x
  2. Step 2: Convert to fraction form
    13,411,412.88/18,511,309.32 = 8,259,094.16/x
  3. Step 3: Cross multiply
    13,411,412.88x = 18,511,309.32 × 8,259,094.16
  4. Step 4: Simplify right side
    13,411,412.88x = 152,886,646,698,765.56
  5. Step 5: Solve for x
    x = 152,886,646,698,765.56/13,411,412.88
  6. Step 6: Final answer
    x = 11,399,742.00

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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.