Home / 38,903,379.39-53,687,898.36-21,261,895.02

Finding the Fourth Proportional to 38,903,379.39, 53,687,898.36 and 21,261,895.02

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Solution

The fourth proportional to 38,903,379.39, 53,687,898.36 and 21,261,895.02 is: 29,342,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903,379.39 : 53,687,898.36 = 21,261,895.02 : x
  2. Step 2: Convert to fraction form
    38,903,379.39/53,687,898.36 = 21,261,895.02/x
  3. Step 3: Cross multiply
    38,903,379.39x = 53,687,898.36 × 21,261,895.02
  4. Step 4: Simplify right side
    38,903,379.39x = 1,141,506,458,774,750.25
  5. Step 5: Solve for x
    x = 1,141,506,458,774,750.25/38,903,379.39
  6. Step 6: Final answer
    x = 29,342,089.98

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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.