Home / 13,430,869.58-20,138,917.16-9,175,842.38

Finding the Fourth Proportional to 13,430,869.58, 20,138,917.16 and 9,175,842.38

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Solution

The fourth proportional to 13,430,869.58, 20,138,917.16 and 9,175,842.38 is: 13,758,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430,869.58 : 20,138,917.16 = 9,175,842.38 : x
  2. Step 2: Convert to fraction form
    13,430,869.58/20,138,917.16 = 9,175,842.38/x
  3. Step 3: Cross multiply
    13,430,869.58x = 20,138,917.16 × 9,175,842.38
  4. Step 4: Simplify right side
    13,430,869.58x = 184,791,529,486,282.28
  5. Step 5: Solve for x
    x = 184,791,529,486,282.28/13,430,869.58
  6. Step 6: Final answer
    x = 13,758,716.70

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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.