Home / 8,708,709.84-12,018,107.21-4,788,672.72

Finding the Fourth Proportional to 8,708,709.84, 12,018,107.21 and 4,788,672.72

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Solution

The fourth proportional to 8,708,709.84, 12,018,107.21 and 4,788,672.72 is: 6,608,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,709.84 : 12,018,107.21 = 4,788,672.72 : x
  2. Step 2: Convert to fraction form
    8,708,709.84/12,018,107.21 = 4,788,672.72/x
  3. Step 3: Cross multiply
    8,708,709.84x = 12,018,107.21 × 4,788,672.72
  4. Step 4: Simplify right side
    8,708,709.84x = 57,550,782,118,618.95
  5. Step 5: Solve for x
    x = 57,550,782,118,618.95/8,708,709.84
  6. Step 6: Final answer
    x = 6,608,416.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.