Home / 13,262,418.74-18,302,138.71-7,381,926.34

Finding the Fourth Proportional to 13,262,418.74, 18,302,138.71 and 7,381,926.34

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Solution

The fourth proportional to 13,262,418.74, 18,302,138.71 and 7,381,926.34 is: 10,187,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,418.74 : 18,302,138.71 = 7,381,926.34 : x
  2. Step 2: Convert to fraction form
    13,262,418.74/18,302,138.71 = 7,381,926.34/x
  3. Step 3: Cross multiply
    13,262,418.74x = 18,302,138.71 × 7,381,926.34
  4. Step 4: Simplify right side
    13,262,418.74x = 135,105,039,798,995.81
  5. Step 5: Solve for x
    x = 135,105,039,798,995.81/13,262,418.74
  6. Step 6: Final answer
    x = 10,187,058.82

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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.