Home / 28,074,115.50-38,742,383.07-15,197,059.50

Finding the Fourth Proportional to 28,074,115.50, 38,742,383.07 and 15,197,059.50

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Solution

The fourth proportional to 28,074,115.50, 38,742,383.07 and 15,197,059.50 is: 20,971,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074,115.50 : 38,742,383.07 = 15,197,059.50 : x
  2. Step 2: Convert to fraction form
    28,074,115.50/38,742,383.07 = 15,197,059.50/x
  3. Step 3: Cross multiply
    28,074,115.50x = 38,742,383.07 × 15,197,059.50
  4. Step 4: Simplify right side
    28,074,115.50x = 588,770,300,686,582.62
  5. Step 5: Solve for x
    x = 588,770,300,686,582.62/28,074,115.50
  6. Step 6: Final answer
    x = 20,971,998.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.