Home / 8,114,740.80-12,172,111.20-7,368,244.80

Finding the Fourth Proportional to 8,114,740.80, 12,172,111.20 and 7,368,244.80

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Solution

The fourth proportional to 8,114,740.80, 12,172,111.20 and 7,368,244.80 is: 11,052,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114,740.80 : 12,172,111.20 = 7,368,244.80 : x
  2. Step 2: Convert to fraction form
    8,114,740.80/12,172,111.20 = 7,368,244.80/x
  3. Step 3: Cross multiply
    8,114,740.80x = 12,172,111.20 × 7,368,244.80
  4. Step 4: Simplify right side
    8,114,740.80x = 89,687,095,054,421.75
  5. Step 5: Solve for x
    x = 89,687,095,054,421.75/8,114,740.80
  6. Step 6: Final answer
    x = 11,052,367.20

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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.