Home / 8,490,732.60-12,736,098.90-4,907,551.80

Finding the Fourth Proportional to 8,490,732.60, 12,736,098.90 and 4,907,551.80

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Solution

The fourth proportional to 8,490,732.60, 12,736,098.90 and 4,907,551.80 is: 7,361,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,732.60 : 12,736,098.90 = 4,907,551.80 : x
  2. Step 2: Convert to fraction form
    8,490,732.60/12,736,098.90 = 4,907,551.80/x
  3. Step 3: Cross multiply
    8,490,732.60x = 12,736,098.90 × 4,907,551.80
  4. Step 4: Simplify right side
    8,490,732.60x = 62,503,065,081,673.02
  5. Step 5: Solve for x
    x = 62,503,065,081,673.02/8,490,732.60
  6. Step 6: Final answer
    x = 7,361,327.70

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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.