Home / 15,110,243.78-20,855,502-9,602,544.69

Finding the Fourth Proportional to 15,110,243.78, 20,855,502 and 9,602,544.69

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Solution

The fourth proportional to 15,110,243.78, 20,855,502 and 9,602,544.69 is: 13,253,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,243.78 : 20,855,502 = 9,602,544.69 : x
  2. Step 2: Convert to fraction form
    15,110,243.78/20,855,502 = 9,602,544.69/x
  3. Step 3: Cross multiply
    15,110,243.78x = 20,855,502 × 9,602,544.69
  4. Step 4: Simplify right side
    15,110,243.78x = 200,265,889,987,384.38
  5. Step 5: Solve for x
    x = 200,265,889,987,384.38/15,110,243.78
  6. Step 6: Final answer
    x = 13,253,650.50

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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.