Home / 27,509,490.83-37,963,490.12-15,120,729.56

Finding the Fourth Proportional to 27,509,490.83, 37,963,490.12 and 15,120,729.56

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Solution

The fourth proportional to 27,509,490.83, 37,963,490.12 and 15,120,729.56 is: 20,866,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,509,490.83 : 37,963,490.12 = 15,120,729.56 : x
  2. Step 2: Convert to fraction form
    27,509,490.83/37,963,490.12 = 15,120,729.56/x
  3. Step 3: Cross multiply
    27,509,490.83x = 37,963,490.12 × 15,120,729.56
  4. Step 4: Simplify right side
    27,509,490.83x = 574,035,666,992,830.88
  5. Step 5: Solve for x
    x = 574,035,666,992,830.88/27,509,490.83
  6. Step 6: Final answer
    x = 20,866,822.68

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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.