Home / 28,720,653.81-43,017,645.18-23,740,125.81

Finding the Fourth Proportional to 28,720,653.81, 43,017,645.18 and 23,740,125.81

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Solution

The fourth proportional to 28,720,653.81, 43,017,645.18 and 23,740,125.81 is: 35,557,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,720,653.81 : 43,017,645.18 = 23,740,125.81 : x
  2. Step 2: Convert to fraction form
    28,720,653.81/43,017,645.18 = 23,740,125.81/x
  3. Step 3: Cross multiply
    28,720,653.81x = 43,017,645.18 × 23,740,125.81
  4. Step 4: Simplify right side
    28,720,653.81x = 1,021,244,308,623,140
  5. Step 5: Solve for x
    x = 1,021,244,308,623,140/28,720,653.81
  6. Step 6: Final answer
    x = 35,557,836.37

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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.