Home / 13,831,456.60-20,747,184.90-7,029,011.80

Finding the Fourth Proportional to 13,831,456.60, 20,747,184.90 and 7,029,011.80

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Solution

The fourth proportional to 13,831,456.60, 20,747,184.90 and 7,029,011.80 is: 10,543,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,456.60 : 20,747,184.90 = 7,029,011.80 : x
  2. Step 2: Convert to fraction form
    13,831,456.60/20,747,184.90 = 7,029,011.80/x
  3. Step 3: Cross multiply
    13,831,456.60x = 20,747,184.90 × 7,029,011.80
  4. Step 4: Simplify right side
    13,831,456.60x = 145,832,207,478,881.81
  5. Step 5: Solve for x
    x = 145,832,207,478,881.81/13,831,456.60
  6. Step 6: Final answer
    x = 10,543,517.70

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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.