Home / 28,662,461.48-42,951,176.91-21,052,226.36

Finding the Fourth Proportional to 28,662,461.48, 42,951,176.91 and 21,052,226.36

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Solution

The fourth proportional to 28,662,461.48, 42,951,176.91 and 21,052,226.36 is: 31,547,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,461.48 : 42,951,176.91 = 21,052,226.36 : x
  2. Step 2: Convert to fraction form
    28,662,461.48/42,951,176.91 = 21,052,226.36/x
  3. Step 3: Cross multiply
    28,662,461.48x = 42,951,176.91 × 21,052,226.36
  4. Step 4: Simplify right side
    28,662,461.48x = 904,217,898,522,969.38
  5. Step 5: Solve for x
    x = 904,217,898,522,969.38/28,662,461.48
  6. Step 6: Final answer
    x = 31,547,112.56

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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.