Home / 28,289,817.62-39,040,300.04-17,126,165.45

Finding the Fourth Proportional to 28,289,817.62, 39,040,300.04 and 17,126,165.45

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Solution

The fourth proportional to 28,289,817.62, 39,040,300.04 and 17,126,165.45 is: 23,634,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289,817.62 : 39,040,300.04 = 17,126,165.45 : x
  2. Step 2: Convert to fraction form
    28,289,817.62/39,040,300.04 = 17,126,165.45/x
  3. Step 3: Cross multiply
    28,289,817.62x = 39,040,300.04 × 17,126,165.45
  4. Step 4: Simplify right side
    28,289,817.62x = 668,610,637,421,849.25
  5. Step 5: Solve for x
    x = 668,610,637,421,849.25/28,289,817.62
  6. Step 6: Final answer
    x = 23,634,321.24

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Double scale
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1.5x scale

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.