Home / 13,301,709.77-18,354,799.64-7,500,145.79

Finding the Fourth Proportional to 13,301,709.77, 18,354,799.64 and 7,500,145.79

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Solution

The fourth proportional to 13,301,709.77, 18,354,799.64 and 7,500,145.79 is: 10,349,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,709.77 : 18,354,799.64 = 7,500,145.79 : x
  2. Step 2: Convert to fraction form
    13,301,709.77/18,354,799.64 = 7,500,145.79/x
  3. Step 3: Cross multiply
    13,301,709.77x = 18,354,799.64 × 7,500,145.79
  4. Step 4: Simplify right side
    13,301,709.77x = 137,663,673,116,964.80
  5. Step 5: Solve for x
    x = 137,663,673,116,964.80/13,301,709.77
  6. Step 6: Final answer
    x = 10,349,321.67

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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.