Home / 27,579,128.42-41,339,955.45-15,430,780.82

Finding the Fourth Proportional to 27,579,128.42, 41,339,955.45 and 15,430,780.82

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Solution

The fourth proportional to 27,579,128.42, 41,339,955.45 and 15,430,780.82 is: 23,130,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579,128.42 : 41,339,955.45 = 15,430,780.82 : x
  2. Step 2: Convert to fraction form
    27,579,128.42/41,339,955.45 = 15,430,780.82/x
  3. Step 3: Cross multiply
    27,579,128.42x = 41,339,955.45 × 15,430,780.82
  4. Step 4: Simplify right side
    27,579,128.42x = 637,907,791,818,729.75
  5. Step 5: Solve for x
    x = 637,907,791,818,729.75/27,579,128.42
  6. Step 6: Final answer
    x = 23,130,092.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.