Home / 13,003,865.03-19,478,653.94-7,799,971.02

Finding the Fourth Proportional to 13,003,865.03, 19,478,653.94 and 7,799,971.02

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Solution

The fourth proportional to 13,003,865.03, 19,478,653.94 and 7,799,971.02 is: 11,683,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003,865.03 : 19,478,653.94 = 7,799,971.02 : x
  2. Step 2: Convert to fraction form
    13,003,865.03/19,478,653.94 = 7,799,971.02/x
  3. Step 3: Cross multiply
    13,003,865.03x = 19,478,653.94 × 7,799,971.02
  4. Step 4: Simplify right side
    13,003,865.03x = 151,932,936,260,108.72
  5. Step 5: Solve for x
    x = 151,932,936,260,108.72/13,003,865.03
  6. Step 6: Final answer
    x = 11,683,675.27

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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.