Home / 10,408,063.89-15,621,063.93-7,215,432.09

Finding the Fourth Proportional to 10,408,063.89, 15,621,063.93 and 7,215,432.09

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Solution

The fourth proportional to 10,408,063.89, 15,621,063.93 and 7,215,432.09 is: 10,829,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,063.89 : 15,621,063.93 = 7,215,432.09 : x
  2. Step 2: Convert to fraction form
    10,408,063.89/15,621,063.93 = 7,215,432.09/x
  3. Step 3: Cross multiply
    10,408,063.89x = 15,621,063.93 × 7,215,432.09
  4. Step 4: Simplify right side
    10,408,063.89x = 112,712,725,960,463.52
  5. Step 5: Solve for x
    x = 112,712,725,960,463.52/10,408,063.89
  6. Step 6: Final answer
    x = 10,829,365.30

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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.