Home / 28,646,161.90-39,532,657.12-16,089,425.86

Finding the Fourth Proportional to 28,646,161.90, 39,532,657.12 and 16,089,425.86

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Solution

The fourth proportional to 28,646,161.90, 39,532,657.12 and 16,089,425.86 is: 22,203,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646,161.90 : 39,532,657.12 = 16,089,425.86 : x
  2. Step 2: Convert to fraction form
    28,646,161.90/39,532,657.12 = 16,089,425.86/x
  3. Step 3: Cross multiply
    28,646,161.90x = 39,532,657.12 × 16,089,425.86
  4. Step 4: Simplify right side
    28,646,161.90x = 636,057,755,781,041
  5. Step 5: Solve for x
    x = 636,057,755,781,041/28,646,161.90
  6. Step 6: Final answer
    x = 22,203,943.34

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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.