Home / 28,616,025.96-39,478,466.34-16,223,505.48

Finding the Fourth Proportional to 28,616,025.96, 39,478,466.34 and 16,223,505.48

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Solution

The fourth proportional to 28,616,025.96, 39,478,466.34 and 16,223,505.48 is: 22,381,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616,025.96 : 39,478,466.34 = 16,223,505.48 : x
  2. Step 2: Convert to fraction form
    28,616,025.96/39,478,466.34 = 16,223,505.48/x
  3. Step 3: Cross multiply
    28,616,025.96x = 39,478,466.34 × 16,223,505.48
  4. Step 4: Simplify right side
    28,616,025.96x = 640,479,115,008,985.62
  5. Step 5: Solve for x
    x = 640,479,115,008,985.62/28,616,025.96
  6. Step 6: Final answer
    x = 22,381,833.03

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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.