Home / 43,831,916.90-65,747,875.35-18,291,256.10

Finding the Fourth Proportional to 43,831,916.90, 65,747,875.35 and 18,291,256.10

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Solution

The fourth proportional to 43,831,916.90, 65,747,875.35 and 18,291,256.10 is: 27,436,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831,916.90 : 65,747,875.35 = 18,291,256.10 : x
  2. Step 2: Convert to fraction form
    43,831,916.90/65,747,875.35 = 18,291,256.10/x
  3. Step 3: Cross multiply
    43,831,916.90x = 65,747,875.35 × 18,291,256.10
  4. Step 4: Simplify right side
    43,831,916.90x = 1,202,611,226,057,727.25
  5. Step 5: Solve for x
    x = 1,202,611,226,057,727.25/43,831,916.90
  6. Step 6: Final answer
    x = 27,436,884.15

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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.