Home / 20,374,842.51-28,114,728.09-13,773,794.01

Finding the Fourth Proportional to 20,374,842.51, 28,114,728.09 and 13,773,794.01

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Solution

The fourth proportional to 20,374,842.51, 28,114,728.09 and 13,773,794.01 is: 19,006,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374,842.51 : 28,114,728.09 = 13,773,794.01 : x
  2. Step 2: Convert to fraction form
    20,374,842.51/28,114,728.09 = 13,773,794.01/x
  3. Step 3: Cross multiply
    20,374,842.51x = 28,114,728.09 × 13,773,794.01
  4. Step 4: Simplify right side
    20,374,842.51x = 387,246,473,358,820.75
  5. Step 5: Solve for x
    x = 387,246,473,358,820.75/20,374,842.51
  6. Step 6: Final answer
    x = 19,006,108.79

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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.