Home / 15,446,090.37-21,315,604.75-8,571,678.69

Finding the Fourth Proportional to 15,446,090.37, 21,315,604.75 and 8,571,678.69

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Solution

The fourth proportional to 15,446,090.37, 21,315,604.75 and 8,571,678.69 is: 11,828,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446,090.37 : 21,315,604.75 = 8,571,678.69 : x
  2. Step 2: Convert to fraction form
    15,446,090.37/21,315,604.75 = 8,571,678.69/x
  3. Step 3: Cross multiply
    15,446,090.37x = 21,315,604.75 × 8,571,678.69
  4. Step 4: Simplify right side
    15,446,090.37x = 182,710,515,000,037.78
  5. Step 5: Solve for x
    x = 182,710,515,000,037.78/15,446,090.37
  6. Step 6: Final answer
    x = 11,828,916.61

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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.