Home / 13,831,998.40-20,748,993.90-5,312,334.77

Finding the Fourth Proportional to 13,831,998.40, 20,748,993.90 and 5,312,334.77

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Solution

The fourth proportional to 13,831,998.40, 20,748,993.90 and 5,312,334.77 is: 7,968,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,998.40 : 20,748,993.90 = 5,312,334.77 : x
  2. Step 2: Convert to fraction form
    13,831,998.40/20,748,993.90 = 5,312,334.77/x
  3. Step 3: Cross multiply
    13,831,998.40x = 20,748,993.90 × 5,312,334.77
  4. Step 4: Simplify right side
    13,831,998.40x = 110,225,601,737,487.89
  5. Step 5: Solve for x
    x = 110,225,601,737,487.89/13,831,998.40
  6. Step 6: Final answer
    x = 7,968,884.80

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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.