Home / 8,021,254.20-12,026,567.70-4,428,742.20

Finding the Fourth Proportional to 8,021,254.20, 12,026,567.70 and 4,428,742.20

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Solution

The fourth proportional to 8,021,254.20, 12,026,567.70 and 4,428,742.20 is: 6,640,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021,254.20 : 12,026,567.70 = 4,428,742.20 : x
  2. Step 2: Convert to fraction form
    8,021,254.20/12,026,567.70 = 4,428,742.20/x
  3. Step 3: Cross multiply
    8,021,254.20x = 12,026,567.70 × 4,428,742.20
  4. Step 4: Simplify right side
    8,021,254.20x = 53,262,567,894,146.94
  5. Step 5: Solve for x
    x = 53,262,567,894,146.94/8,021,254.20
  6. Step 6: Final answer
    x = 6,640,179.52

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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.