Home / 13,831,459.10-20,747,188.65-7,029,014.30

Finding the Fourth Proportional to 13,831,459.10, 20,747,188.65 and 7,029,014.30

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Solution

The fourth proportional to 13,831,459.10, 20,747,188.65 and 7,029,014.30 is: 10,543,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,459.10 : 20,747,188.65 = 7,029,014.30 : x
  2. Step 2: Convert to fraction form
    13,831,459.10/20,747,188.65 = 7,029,014.30/x
  3. Step 3: Cross multiply
    13,831,459.10x = 20,747,188.65 × 7,029,014.30
  4. Step 4: Simplify right side
    13,831,459.10x = 145,832,285,705,647.69
  5. Step 5: Solve for x
    x = 145,832,285,705,647.69/13,831,459.10
  6. Step 6: Final answer
    x = 10,543,521.45

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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.