Home / 8,580,800.16-12,871,192.80-2,191,053.60

Finding the Fourth Proportional to 8,580,800.16, 12,871,192.80 and 2,191,053.60

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Solution

The fourth proportional to 8,580,800.16, 12,871,192.80 and 2,191,053.60 is: 3,286,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,800.16 : 12,871,192.80 = 2,191,053.60 : x
  2. Step 2: Convert to fraction form
    8,580,800.16/12,871,192.80 = 2,191,053.60/x
  3. Step 3: Cross multiply
    8,580,800.16x = 12,871,192.80 × 2,191,053.60
  4. Step 4: Simplify right side
    8,580,800.16x = 28,201,473,320,734.08
  5. Step 5: Solve for x
    x = 28,201,473,320,734.08/8,580,800.16
  6. Step 6: Final answer
    x = 3,286,578.50

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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.