Home / 20,071,487.72-27,698,847.18-10,904,196.08

Finding the Fourth Proportional to 20,071,487.72, 27,698,847.18 and 10,904,196.08

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Solution

The fourth proportional to 20,071,487.72, 27,698,847.18 and 10,904,196.08 is: 15,047,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071,487.72 : 27,698,847.18 = 10,904,196.08 : x
  2. Step 2: Convert to fraction form
    20,071,487.72/27,698,847.18 = 10,904,196.08/x
  3. Step 3: Cross multiply
    20,071,487.72x = 27,698,847.18 × 10,904,196.08
  4. Step 4: Simplify right side
    20,071,487.72x = 302,033,660,840,675.06
  5. Step 5: Solve for x
    x = 302,033,660,840,675.06/20,071,487.72
  6. Step 6: Final answer
    x = 15,047,896.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.