Home / 8,580,988.36-12,871,283.82-4,320,012.52

Finding the Fourth Proportional to 8,580,988.36, 12,871,283.82 and 4,320,012.52

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Solution

The fourth proportional to 8,580,988.36, 12,871,283.82 and 4,320,012.52 is: 6,479,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,988.36 : 12,871,283.82 = 4,320,012.52 : x
  2. Step 2: Convert to fraction form
    8,580,988.36/12,871,283.82 = 4,320,012.52/x
  3. Step 3: Cross multiply
    8,580,988.36x = 12,871,283.82 × 4,320,012.52
  4. Step 4: Simplify right side
    8,580,988.36x = 55,604,107,250,873.42
  5. Step 5: Solve for x
    x = 55,604,107,250,873.42/8,580,988.36
  6. Step 6: Final answer
    x = 6,479,918.74

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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.