Home / 8,306,056.80-12,459,085.20-2,628,021.60

Finding the Fourth Proportional to 8,306,056.80, 12,459,085.20 and 2,628,021.60

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Solution

The fourth proportional to 8,306,056.80, 12,459,085.20 and 2,628,021.60 is: 3,942,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,056.80 : 12,459,085.20 = 2,628,021.60 : x
  2. Step 2: Convert to fraction form
    8,306,056.80/12,459,085.20 = 2,628,021.60/x
  3. Step 3: Cross multiply
    8,306,056.80x = 12,459,085.20 × 2,628,021.60
  4. Step 4: Simplify right side
    8,306,056.80x = 32,742,745,021,840.32
  5. Step 5: Solve for x
    x = 32,742,745,021,840.32/8,306,056.80
  6. Step 6: Final answer
    x = 3,942,032.40

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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.