Home / 20,103,011.28-27,742,707.78-11,283,010.94

Finding the Fourth Proportional to 20,103,011.28, 27,742,707.78 and 11,283,010.94

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Solution

The fourth proportional to 20,103,011.28, 27,742,707.78 and 11,283,010.94 is: 15,570,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103,011.28 : 27,742,707.78 = 11,283,010.94 : x
  2. Step 2: Convert to fraction form
    20,103,011.28/27,742,707.78 = 11,283,010.94/x
  3. Step 3: Cross multiply
    20,103,011.28x = 27,742,707.78 × 11,283,010.94
  4. Step 4: Simplify right side
    20,103,011.28x = 313,021,275,386,963.12
  5. Step 5: Solve for x
    x = 313,021,275,386,963.12/20,103,011.28
  6. Step 6: Final answer
    x = 15,570,865.03

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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.