Home / 9,486,357.96-13,091,178.21-5,135,444.13

Finding the Fourth Proportional to 9,486,357.96, 13,091,178.21 and 5,135,444.13

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Solution

The fourth proportional to 9,486,357.96, 13,091,178.21 and 5,135,444.13 is: 7,086,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,357.96 : 13,091,178.21 = 5,135,444.13 : x
  2. Step 2: Convert to fraction form
    9,486,357.96/13,091,178.21 = 5,135,444.13/x
  3. Step 3: Cross multiply
    9,486,357.96x = 13,091,178.21 × 5,135,444.13
  4. Step 4: Simplify right side
    9,486,357.96x = 67,229,014,293,328.41
  5. Step 5: Solve for x
    x = 67,229,014,293,328.41/9,486,357.96
  6. Step 6: Final answer
    x = 7,086,915.19

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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.