Home / 13,057,417.74-18,000,245.22-9,124,965.03

Finding the Fourth Proportional to 13,057,417.74, 18,000,245.22 and 9,124,965.03

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Solution

The fourth proportional to 13,057,417.74, 18,000,245.22 and 9,124,965.03 is: 12,579,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,417.74 : 18,000,245.22 = 9,124,965.03 : x
  2. Step 2: Convert to fraction form
    13,057,417.74/18,000,245.22 = 9,124,965.03/x
  3. Step 3: Cross multiply
    13,057,417.74x = 18,000,245.22 × 9,124,965.03
  4. Step 4: Simplify right side
    13,057,417.74x = 164,251,608,163,924.62
  5. Step 5: Solve for x
    x = 164,251,608,163,924.62/13,057,417.74
  6. Step 6: Final answer
    x = 12,579,180.01

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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.