Home / 14,680,986.12-20,265,410.94-9,784,421.49

Finding the Fourth Proportional to 14,680,986.12, 20,265,410.94 and 9,784,421.49

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Solution

The fourth proportional to 14,680,986.12, 20,265,410.94 and 9,784,421.49 is: 13,506,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680,986.12 : 20,265,410.94 = 9,784,421.49 : x
  2. Step 2: Convert to fraction form
    14,680,986.12/20,265,410.94 = 9,784,421.49/x
  3. Step 3: Cross multiply
    14,680,986.12x = 20,265,410.94 × 9,784,421.49
  4. Step 4: Simplify right side
    14,680,986.12x = 198,285,322,305,017.12
  5. Step 5: Solve for x
    x = 198,285,322,305,017.12/14,680,986.12
  6. Step 6: Final answer
    x = 13,506,267.27

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1.5x scale

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.