Home / 13,374,685.56-18,462,715.79-9,029,657.10

Finding the Fourth Proportional to 13,374,685.56, 18,462,715.79 and 9,029,657.10

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Solution

The fourth proportional to 13,374,685.56, 18,462,715.79 and 9,029,657.10 is: 12,464,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,685.56 : 18,462,715.79 = 9,029,657.10 : x
  2. Step 2: Convert to fraction form
    13,374,685.56/18,462,715.79 = 9,029,657.10/x
  3. Step 3: Cross multiply
    13,374,685.56x = 18,462,715.79 × 9,029,657.10
  4. Step 4: Simplify right side
    13,374,685.56x = 166,711,992,673,307.31
  5. Step 5: Solve for x
    x = 166,711,992,673,307.31/13,374,685.56
  6. Step 6: Final answer
    x = 12,464,741.09

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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.