Home / 13,057,524.21-18,000,392.09-9,125,071.16

Finding the Fourth Proportional to 13,057,524.21, 18,000,392.09 and 9,125,071.16

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Solution

The fourth proportional to 13,057,524.21, 18,000,392.09 and 9,125,071.16 is: 12,579,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,524.21 : 18,000,392.09 = 9,125,071.16 : x
  2. Step 2: Convert to fraction form
    13,057,524.21/18,000,392.09 = 9,125,071.16/x
  3. Step 3: Cross multiply
    13,057,524.21x = 18,000,392.09 × 9,125,071.16
  4. Step 4: Simplify right side
    13,057,524.21x = 164,254,858,593,523.81
  5. Step 5: Solve for x
    x = 164,254,858,593,523.81/13,057,524.21
  6. Step 6: Final answer
    x = 12,579,326.37

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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.