Home / 27,161,338.40-40,742,007.60-20,784,046.40

Finding the Fourth Proportional to 27,161,338.40, 40,742,007.60 and 20,784,046.40

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Solution

The fourth proportional to 27,161,338.40, 40,742,007.60 and 20,784,046.40 is: 31,176,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161,338.40 : 40,742,007.60 = 20,784,046.40 : x
  2. Step 2: Convert to fraction form
    27,161,338.40/40,742,007.60 = 20,784,046.40/x
  3. Step 3: Cross multiply
    27,161,338.40x = 40,742,007.60 × 20,784,046.40
  4. Step 4: Simplify right side
    27,161,338.40x = 846,783,776,387,552.62
  5. Step 5: Solve for x
    x = 846,783,776,387,552.62/27,161,338.40
  6. Step 6: Final answer
    x = 31,176,069.60

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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.