Home / 8,579,223.12-12,871,012.96-3,971,531.28

Finding the Fourth Proportional to 8,579,223.12, 12,871,012.96 and 3,971,531.28

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Solution

The fourth proportional to 8,579,223.12, 12,871,012.96 and 3,971,531.28 is: 5,958,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,223.12 : 12,871,012.96 = 3,971,531.28 : x
  2. Step 2: Convert to fraction form
    8,579,223.12/12,871,012.96 = 3,971,531.28/x
  3. Step 3: Cross multiply
    8,579,223.12x = 12,871,012.96 × 3,971,531.28
  4. Step 4: Simplify right side
    8,579,223.12x = 51,117,630,575,925.39
  5. Step 5: Solve for x
    x = 51,117,630,575,925.39/8,579,223.12
  6. Step 6: Final answer
    x = 5,958,305.30

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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.