Home / 9,001,195.80-12,421,555.21-4,871,137.43

Finding the Fourth Proportional to 9,001,195.80, 12,421,555.21 and 4,871,137.43

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Solution

The fourth proportional to 9,001,195.80, 12,421,555.21 and 4,871,137.43 is: 6,722,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001,195.80 : 12,421,555.21 = 4,871,137.43 : x
  2. Step 2: Convert to fraction form
    9,001,195.80/12,421,555.21 = 4,871,137.43/x
  3. Step 3: Cross multiply
    9,001,195.80x = 12,421,555.21 × 4,871,137.43
  4. Step 4: Simplify right side
    9,001,195.80x = 60,507,102,522,242.51
  5. Step 5: Solve for x
    x = 60,507,102,522,242.51/9,001,195.80
  6. Step 6: Final answer
    x = 6,722,118.25

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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.