Home / 10,374,638.40-15,564,679.20-3,985,099.20

Finding the Fourth Proportional to 10,374,638.40, 15,564,679.20 and 3,985,099.20

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Solution

The fourth proportional to 10,374,638.40, 15,564,679.20 and 3,985,099.20 is: 5,978,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374,638.40 : 15,564,679.20 = 3,985,099.20 : x
  2. Step 2: Convert to fraction form
    10,374,638.40/15,564,679.20 = 3,985,099.20/x
  3. Step 3: Cross multiply
    10,374,638.40x = 15,564,679.20 × 3,985,099.20
  4. Step 4: Simplify right side
    10,374,638.40x = 62,026,790,628,176.64
  5. Step 5: Solve for x
    x = 62,026,790,628,176.64/10,374,638.40
  6. Step 6: Final answer
    x = 5,978,694.22

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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.