Home / 39,520,847.30-54,537,597.93-21,880,536.06

Finding the Fourth Proportional to 39,520,847.30, 54,537,597.93 and 21,880,536.06

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Solution

The fourth proportional to 39,520,847.30, 54,537,597.93 and 21,880,536.06 is: 30,194,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520,847.30 : 54,537,597.93 = 21,880,536.06 : x
  2. Step 2: Convert to fraction form
    39,520,847.30/54,537,597.93 = 21,880,536.06/x
  3. Step 3: Cross multiply
    39,520,847.30x = 54,537,597.93 × 21,880,536.06
  4. Step 4: Simplify right side
    39,520,847.30x = 1,193,311,878,023,743.50
  5. Step 5: Solve for x
    x = 1,193,311,878,023,743.50/39,520,847.30
  6. Step 6: Final answer
    x = 30,194,491.25

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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.