Home / 10,408,058.89-15,621,056.41-7,215,427.09

Finding the Fourth Proportional to 10,408,058.89, 15,621,056.41 and 7,215,427.09

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Solution

The fourth proportional to 10,408,058.89, 15,621,056.41 and 7,215,427.09 is: 10,829,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,058.89 : 15,621,056.41 = 7,215,427.09 : x
  2. Step 2: Convert to fraction form
    10,408,058.89/15,621,056.41 = 7,215,427.09/x
  3. Step 3: Cross multiply
    10,408,058.89x = 15,621,056.41 × 7,215,427.09
  4. Step 4: Simplify right side
    10,408,058.89x = 112,712,593,595,132.14
  5. Step 5: Solve for x
    x = 112,712,593,595,132.14/10,408,058.89
  6. Step 6: Final answer
    x = 10,829,357.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.