Home / 10,408,060.53-15,621,058.85-7,215,428.72

Finding the Fourth Proportional to 10,408,060.53, 15,621,058.85 and 7,215,428.72

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Solution

The fourth proportional to 10,408,060.53, 15,621,058.85 and 7,215,428.72 is: 10,829,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,060.53 : 15,621,058.85 = 7,215,428.72 : x
  2. Step 2: Convert to fraction form
    10,408,060.53/15,621,058.85 = 7,215,428.72/x
  3. Step 3: Cross multiply
    10,408,060.53x = 15,621,058.85 × 7,215,428.72
  4. Step 4: Simplify right side
    10,408,060.53x = 112,712,636,663,100.17
  5. Step 5: Solve for x
    x = 112,712,636,663,100.17/10,408,060.53
  6. Step 6: Final answer
    x = 10,829,360.22

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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.