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Finding the Fourth Proportional to 8,908,797.63, 12,294,140.74 and 4,834,416.63

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Solution

The fourth proportional to 8,908,797.63, 12,294,140.74 and 4,834,416.63 is: 6,671,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,797.63 : 12,294,140.74 = 4,834,416.63 : x
  2. Step 2: Convert to fraction form
    8,908,797.63/12,294,140.74 = 4,834,416.63/x
  3. Step 3: Cross multiply
    8,908,797.63x = 12,294,140.74 × 4,834,416.63
  4. Step 4: Simplify right side
    8,908,797.63x = 59,434,998,432,930.47
  5. Step 5: Solve for x
    x = 59,434,998,432,930.47/8,908,797.63
  6. Step 6: Final answer
    x = 6,671,494.95

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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.