Home / 13,877,065.60-20,815,598.40-8,831,996.80

Finding the Fourth Proportional to 13,877,065.60, 20,815,598.40 and 8,831,996.80

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Solution

The fourth proportional to 13,877,065.60, 20,815,598.40 and 8,831,996.80 is: 13,247,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,065.60 : 20,815,598.40 = 8,831,996.80 : x
  2. Step 2: Convert to fraction form
    13,877,065.60/20,815,598.40 = 8,831,996.80/x
  3. Step 3: Cross multiply
    13,877,065.60x = 20,815,598.40 × 8,831,996.80
  4. Step 4: Simplify right side
    13,877,065.60x = 183,843,298,458,885.12
  5. Step 5: Solve for x
    x = 183,843,298,458,885.12/13,877,065.60
  6. Step 6: Final answer
    x = 13,247,995.20

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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.