Home / 10,408,059.15-15,621,056.78-7,215,427.34

Finding the Fourth Proportional to 10,408,059.15, 15,621,056.78 and 7,215,427.34

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Solution

The fourth proportional to 10,408,059.15, 15,621,056.78 and 7,215,427.34 is: 10,829,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,059.15 : 15,621,056.78 = 7,215,427.34 : x
  2. Step 2: Convert to fraction form
    10,408,059.15/15,621,056.78 = 7,215,427.34/x
  3. Step 3: Cross multiply
    10,408,059.15x = 15,621,056.78 × 7,215,427.34
  4. Step 4: Simplify right side
    10,408,059.15x = 112,712,600,170,104.36
  5. Step 5: Solve for x
    x = 112,712,600,170,104.36/10,408,059.15
  6. Step 6: Final answer
    x = 10,829,358.15

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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.