Home / 27,161,406.90-40,742,110.35-20,784,114.90

Finding the Fourth Proportional to 27,161,406.90, 40,742,110.35 and 20,784,114.90

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Solution

The fourth proportional to 27,161,406.90, 40,742,110.35 and 20,784,114.90 is: 31,176,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161,406.90 : 40,742,110.35 = 20,784,114.90 : x
  2. Step 2: Convert to fraction form
    27,161,406.90/40,742,110.35 = 20,784,114.90/x
  3. Step 3: Cross multiply
    27,161,406.90x = 40,742,110.35 × 20,784,114.90
  4. Step 4: Simplify right side
    27,161,406.90x = 846,788,702,782,879.12
  5. Step 5: Solve for x
    x = 846,788,702,782,879.12/27,161,406.90
  6. Step 6: Final answer
    x = 31,176,172.35

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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.