Home / 38,487,359.24-53,112,133-20,845,823.20

Finding the Fourth Proportional to 38,487,359.24, 53,112,133 and 20,845,823.20

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Solution

The fourth proportional to 38,487,359.24, 53,112,133 and 20,845,823.20 is: 28,767,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487,359.24 : 53,112,133 = 20,845,823.20 : x
  2. Step 2: Convert to fraction form
    38,487,359.24/53,112,133 = 20,845,823.20/x
  3. Step 3: Cross multiply
    38,487,359.24x = 53,112,133 × 20,845,823.20
  4. Step 4: Simplify right side
    38,487,359.24x = 1,107,166,134,027,325
  5. Step 5: Solve for x
    x = 1,107,166,134,027,325/38,487,359.24
  6. Step 6: Final answer
    x = 28,767,007.04

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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.