Home / 28,662,474.61-42,951,196.60-21,052,239.49

Finding the Fourth Proportional to 28,662,474.61, 42,951,196.60 and 21,052,239.49

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Solution

The fourth proportional to 28,662,474.61, 42,951,196.60 and 21,052,239.49 is: 31,547,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,474.61 : 42,951,196.60 = 21,052,239.49 : x
  2. Step 2: Convert to fraction form
    28,662,474.61/42,951,196.60 = 21,052,239.49/x
  3. Step 3: Cross multiply
    28,662,474.61x = 42,951,196.60 × 21,052,239.49
  4. Step 4: Simplify right side
    28,662,474.61x = 904,218,877,045,265.12
  5. Step 5: Solve for x
    x = 904,218,877,045,265.12/28,662,474.61
  6. Step 6: Final answer
    x = 31,547,132.25

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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.