Home / 21,973,468.80-30,320,599.41-12,047,739.74

Finding the Fourth Proportional to 21,973,468.80, 30,320,599.41 and 12,047,739.74

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Solution

The fourth proportional to 21,973,468.80, 30,320,599.41 and 12,047,739.74 is: 16,624,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,468.80 : 30,320,599.41 = 12,047,739.74 : x
  2. Step 2: Convert to fraction form
    21,973,468.80/30,320,599.41 = 12,047,739.74/x
  3. Step 3: Cross multiply
    21,973,468.80x = 30,320,599.41 × 12,047,739.74
  4. Step 4: Simplify right side
    21,973,468.80x = 365,294,690,300,874.56
  5. Step 5: Solve for x
    x = 365,294,690,300,874.56/21,973,468.80
  6. Step 6: Final answer
    x = 16,624,352.47

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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.