Home / 7,974,607.86-11,961,333.18-3,116,000.79

Finding the Fourth Proportional to 7,974,607.86, 11,961,333.18 and 3,116,000.79

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Solution

The fourth proportional to 7,974,607.86, 11,961,333.18 and 3,116,000.79 is: 4,673,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,607.86 : 11,961,333.18 = 3,116,000.79 : x
  2. Step 2: Convert to fraction form
    7,974,607.86/11,961,333.18 = 3,116,000.79/x
  3. Step 3: Cross multiply
    7,974,607.86x = 11,961,333.18 × 3,116,000.79
  4. Step 4: Simplify right side
    7,974,607.86x = 37,271,523,638,333.21
  5. Step 5: Solve for x
    x = 37,271,523,638,333.21/7,974,607.86
  6. Step 6: Final answer
    x = 4,673,775.10

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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.