Home / 13,135,092.60-19,702,638.90-12,239,297.40

Finding the Fourth Proportional to 13,135,092.60, 19,702,638.90 and 12,239,297.40

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Solution

The fourth proportional to 13,135,092.60, 19,702,638.90 and 12,239,297.40 is: 18,358,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,092.60 : 19,702,638.90 = 12,239,297.40 : x
  2. Step 2: Convert to fraction form
    13,135,092.60/19,702,638.90 = 12,239,297.40/x
  3. Step 3: Cross multiply
    13,135,092.60x = 19,702,638.90 × 12,239,297.40
  4. Step 4: Simplify right side
    13,135,092.60x = 241,146,457,061,908.84
  5. Step 5: Solve for x
    x = 241,146,457,061,908.84/13,135,092.60
  6. Step 6: Final answer
    x = 18,358,946.10

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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.