Home / 38,903,382.90-53,687,903.20-21,261,898.52

Finding the Fourth Proportional to 38,903,382.90, 53,687,903.20 and 21,261,898.52

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Solution

The fourth proportional to 38,903,382.90, 53,687,903.20 and 21,261,898.52 is: 29,342,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903,382.90 : 53,687,903.20 = 21,261,898.52 : x
  2. Step 2: Convert to fraction form
    38,903,382.90/53,687,903.20 = 21,261,898.52/x
  3. Step 3: Cross multiply
    38,903,382.90x = 53,687,903.20 × 21,261,898.52
  4. Step 4: Simplify right side
    38,903,382.90x = 1,141,506,749,589,983.25
  5. Step 5: Solve for x
    x = 1,141,506,749,589,983.25/38,903,382.90
  6. Step 6: Final answer
    x = 29,342,094.81

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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.