Home / 28,372,706.16-42,559,100.26-7,902,484.57

Finding the Fourth Proportional to 28,372,706.16, 42,559,100.26 and 7,902,484.57

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Solution

The fourth proportional to 28,372,706.16, 42,559,100.26 and 7,902,484.57 is: 11,853,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372,706.16 : 42,559,100.26 = 7,902,484.57 : x
  2. Step 2: Convert to fraction form
    28,372,706.16/42,559,100.26 = 7,902,484.57/x
  3. Step 3: Cross multiply
    28,372,706.16x = 42,559,100.26 × 7,902,484.57
  4. Step 4: Simplify right side
    28,372,706.16x = 336,322,633,151,175.62
  5. Step 5: Solve for x
    x = 336,322,633,151,175.62/28,372,706.16
  6. Step 6: Final answer
    x = 11,853,738.28

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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.