Home / 28,662,473.36-42,951,194.73-21,052,238.24

Finding the Fourth Proportional to 28,662,473.36, 42,951,194.73 and 21,052,238.24

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Solution

The fourth proportional to 28,662,473.36, 42,951,194.73 and 21,052,238.24 is: 31,547,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,473.36 : 42,951,194.73 = 21,052,238.24 : x
  2. Step 2: Convert to fraction form
    28,662,473.36/42,951,194.73 = 21,052,238.24/x
  3. Step 3: Cross multiply
    28,662,473.36x = 42,951,194.73 × 21,052,238.24
  4. Step 4: Simplify right side
    28,662,473.36x = 904,218,783,828,575.38
  5. Step 5: Solve for x
    x = 904,218,783,828,575.38/28,662,473.36
  6. Step 6: Final answer
    x = 31,547,130.38

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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.