Home / 28,473,971.87-42,726,506.58-12,076,705.82

Finding the Fourth Proportional to 28,473,971.87, 42,726,506.58 and 12,076,705.82

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Solution

The fourth proportional to 28,473,971.87, 42,726,506.58 and 12,076,705.82 is: 18,121,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473,971.87 : 42,726,506.58 = 12,076,705.82 : x
  2. Step 2: Convert to fraction form
    28,473,971.87/42,726,506.58 = 12,076,705.82/x
  3. Step 3: Cross multiply
    28,473,971.87x = 42,726,506.58 × 12,076,705.82
  4. Step 4: Simplify right side
    28,473,971.87x = 515,995,450,789,770.50
  5. Step 5: Solve for x
    x = 515,995,450,789,770.50/28,473,971.87
  6. Step 6: Final answer
    x = 18,121,653.46

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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.