Home / 13,256,031.69-18,293,036.89-7,674,513.58

Finding the Fourth Proportional to 13,256,031.69, 18,293,036.89 and 7,674,513.58

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Solution

The fourth proportional to 13,256,031.69, 18,293,036.89 and 7,674,513.58 is: 10,590,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,031.69 : 18,293,036.89 = 7,674,513.58 : x
  2. Step 2: Convert to fraction form
    13,256,031.69/18,293,036.89 = 7,674,513.58/x
  3. Step 3: Cross multiply
    13,256,031.69x = 18,293,036.89 × 7,674,513.58
  4. Step 4: Simplify right side
    13,256,031.69x = 140,390,160,031,745.97
  5. Step 5: Solve for x
    x = 140,390,160,031,745.97/13,256,031.69
  6. Step 6: Final answer
    x = 10,590,662.67

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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.