Home / 9,169,438.21-12,654,109.35-5,039,394.20

Finding the Fourth Proportional to 9,169,438.21, 12,654,109.35 and 5,039,394.20

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Solution

The fourth proportional to 9,169,438.21, 12,654,109.35 and 5,039,394.20 is: 6,954,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,438.21 : 12,654,109.35 = 5,039,394.20 : x
  2. Step 2: Convert to fraction form
    9,169,438.21/12,654,109.35 = 5,039,394.20/x
  3. Step 3: Cross multiply
    9,169,438.21x = 12,654,109.35 × 5,039,394.20
  4. Step 4: Simplify right side
    9,169,438.21x = 63,769,045,264,555.77
  5. Step 5: Solve for x
    x = 63,769,045,264,555.77/9,169,438.21
  6. Step 6: Final answer
    x = 6,954,520.42

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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.