Home / 13,376,741.89-18,459,998.28-7,265,170.39

Finding the Fourth Proportional to 13,376,741.89, 18,459,998.28 and 7,265,170.39

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Solution

The fourth proportional to 13,376,741.89, 18,459,998.28 and 7,265,170.39 is: 10,025,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,741.89 : 18,459,998.28 = 7,265,170.39 : x
  2. Step 2: Convert to fraction form
    13,376,741.89/18,459,998.28 = 7,265,170.39/x
  3. Step 3: Cross multiply
    13,376,741.89x = 18,459,998.28 × 7,265,170.39
  4. Step 4: Simplify right side
    13,376,741.89x = 134,115,032,774,681.08
  5. Step 5: Solve for x
    x = 134,115,032,774,681.08/13,376,741.89
  6. Step 6: Final answer
    x = 10,025,986.44

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1.5x scale

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.