Home / 28,881,128.27-43,321,358.42-7,021,631.34

Finding the Fourth Proportional to 28,881,128.27, 43,321,358.42 and 7,021,631.34

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Solution

The fourth proportional to 28,881,128.27, 43,321,358.42 and 7,021,631.34 is: 10,532,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,128.27 : 43,321,358.42 = 7,021,631.34 : x
  2. Step 2: Convert to fraction form
    28,881,128.27/43,321,358.42 = 7,021,631.34/x
  3. Step 3: Cross multiply
    28,881,128.27x = 43,321,358.42 × 7,021,631.34
  4. Step 4: Simplify right side
    28,881,128.27x = 304,186,607,973,244.88
  5. Step 5: Solve for x
    x = 304,186,607,973,244.88/28,881,128.27
  6. Step 6: Final answer
    x = 10,532,365.81

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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.