Home / 20,071,486.72-27,698,845.80-10,904,195.08

Finding the Fourth Proportional to 20,071,486.72, 27,698,845.80 and 10,904,195.08

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Solution

The fourth proportional to 20,071,486.72, 27,698,845.80 and 10,904,195.08 is: 15,047,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071,486.72 : 27,698,845.80 = 10,904,195.08 : x
  2. Step 2: Convert to fraction form
    20,071,486.72/27,698,845.80 = 10,904,195.08/x
  3. Step 3: Cross multiply
    20,071,486.72x = 27,698,845.80 × 10,904,195.08
  4. Step 4: Simplify right side
    20,071,486.72x = 302,033,618,094,038.69
  5. Step 5: Solve for x
    x = 302,033,618,094,038.69/20,071,486.72
  6. Step 6: Final answer
    x = 15,047,894.67

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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.