Home / 7,247,815.80-10,871,723.70-2,985,790.20

Finding the Fourth Proportional to 7,247,815.80, 10,871,723.70 and 2,985,790.20

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Solution

The fourth proportional to 7,247,815.80, 10,871,723.70 and 2,985,790.20 is: 4,478,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,815.80 : 10,871,723.70 = 2,985,790.20 : x
  2. Step 2: Convert to fraction form
    7,247,815.80/10,871,723.70 = 2,985,790.20/x
  3. Step 3: Cross multiply
    7,247,815.80x = 10,871,723.70 × 2,985,790.20
  4. Step 4: Simplify right side
    7,247,815.80x = 32,460,686,080,567.74
  5. Step 5: Solve for x
    x = 32,460,686,080,567.74/7,247,815.80
  6. Step 6: Final answer
    x = 4,478,685.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.