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Finding the Fourth Proportional to 14,963,311.63, 20,649,599.49 and 8,766,875.82

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Solution

The fourth proportional to 14,963,311.63, 20,649,599.49 and 8,766,875.82 is: 12,098,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963,311.63 : 20,649,599.49 = 8,766,875.82 : x
  2. Step 2: Convert to fraction form
    14,963,311.63/20,649,599.49 = 8,766,875.82/x
  3. Step 3: Cross multiply
    14,963,311.63x = 20,649,599.49 × 8,766,875.82
  4. Step 4: Simplify right side
    14,963,311.63x = 181,032,474,461,565.31
  5. Step 5: Solve for x
    x = 181,032,474,461,565.31/14,963,311.63
  6. Step 6: Final answer
    x = 12,098,423.06

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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.