Home / 10,408,059.02-15,621,056.60-7,215,427.22

Finding the Fourth Proportional to 10,408,059.02, 15,621,056.60 and 7,215,427.22

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Solution

The fourth proportional to 10,408,059.02, 15,621,056.60 and 7,215,427.22 is: 10,829,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,059.02 : 15,621,056.60 = 7,215,427.22 : x
  2. Step 2: Convert to fraction form
    10,408,059.02/15,621,056.60 = 7,215,427.22/x
  3. Step 3: Cross multiply
    10,408,059.02x = 15,621,056.60 × 7,215,427.22
  4. Step 4: Simplify right side
    10,408,059.02x = 112,712,596,882,618.23
  5. Step 5: Solve for x
    x = 112,712,596,882,618.23/10,408,059.02
  6. Step 6: Final answer
    x = 10,829,357.97

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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.