Home / 13,493,167.32-18,621,010.86-7,381,595.64

Finding the Fourth Proportional to 13,493,167.32, 18,621,010.86 and 7,381,595.64

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Solution

The fourth proportional to 13,493,167.32, 18,621,010.86 and 7,381,595.64 is: 10,186,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,167.32 : 18,621,010.86 = 7,381,595.64 : x
  2. Step 2: Convert to fraction form
    13,493,167.32/18,621,010.86 = 7,381,595.64/x
  3. Step 3: Cross multiply
    13,493,167.32x = 18,621,010.86 × 7,381,595.64
  4. Step 4: Simplify right side
    13,493,167.32x = 137,452,772,576,568.64
  5. Step 5: Solve for x
    x = 137,452,772,576,568.64/13,493,167.32
  6. Step 6: Final answer
    x = 10,186,842.67

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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.