Home / 11,784,878.18-17,678,064.42-3,698,172.98

Finding the Fourth Proportional to 11,784,878.18, 17,678,064.42 and 3,698,172.98

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Solution

The fourth proportional to 11,784,878.18, 17,678,064.42 and 3,698,172.98 is: 5,547,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784,878.18 : 17,678,064.42 = 3,698,172.98 : x
  2. Step 2: Convert to fraction form
    11,784,878.18/17,678,064.42 = 3,698,172.98/x
  3. Step 3: Cross multiply
    11,784,878.18x = 17,678,064.42 × 3,698,172.98
  4. Step 4: Simplify right side
    11,784,878.18x = 65,376,540,088,353.05
  5. Step 5: Solve for x
    x = 65,376,540,088,353.05/11,784,878.18
  6. Step 6: Final answer
    x = 5,547,493.93

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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.