Home / 8,318,971.80-12,478,457.70-2,334,562.20

Finding the Fourth Proportional to 8,318,971.80, 12,478,457.70 and 2,334,562.20

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Solution

The fourth proportional to 8,318,971.80, 12,478,457.70 and 2,334,562.20 is: 3,501,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,971.80 : 12,478,457.70 = 2,334,562.20 : x
  2. Step 2: Convert to fraction form
    8,318,971.80/12,478,457.70 = 2,334,562.20/x
  3. Step 3: Cross multiply
    8,318,971.80x = 12,478,457.70 × 2,334,562.20
  4. Step 4: Simplify right side
    8,318,971.80x = 29,131,735,660,718.94
  5. Step 5: Solve for x
    x = 29,131,735,660,718.94/8,318,971.80
  6. Step 6: Final answer
    x = 3,501,843.30

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1.5x scale

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.