Home / 30,430,652.16-41,998,606.12-18,831,951.12

Finding the Fourth Proportional to 30,430,652.16, 41,998,606.12 and 18,831,951.12

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Solution

The fourth proportional to 30,430,652.16, 41,998,606.12 and 18,831,951.12 is: 25,990,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430,652.16 : 41,998,606.12 = 18,831,951.12 : x
  2. Step 2: Convert to fraction form
    30,430,652.16/41,998,606.12 = 18,831,951.12/x
  3. Step 3: Cross multiply
    30,430,652.16x = 41,998,606.12 × 18,831,951.12
  4. Step 4: Simplify right side
    30,430,652.16x = 790,915,697,559,972.88
  5. Step 5: Solve for x
    x = 790,915,697,559,972.88/30,430,652.16
  6. Step 6: Final answer
    x = 25,990,757.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.