Home / 27,089,969.10-40,701,308.85-20,371,505.10

Finding the Fourth Proportional to 27,089,969.10, 40,701,308.85 and 20,371,505.10

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Solution

The fourth proportional to 27,089,969.10, 40,701,308.85 and 20,371,505.10 is: 30,607,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089,969.10 : 40,701,308.85 = 20,371,505.10 : x
  2. Step 2: Convert to fraction form
    27,089,969.10/40,701,308.85 = 20,371,505.10/x
  3. Step 3: Cross multiply
    27,089,969.10x = 40,701,308.85 × 20,371,505.10
  4. Step 4: Simplify right side
    27,089,969.10x = 829,146,920,814,450.25
  5. Step 5: Solve for x
    x = 829,146,920,814,450.25/27,089,969.10
  6. Step 6: Final answer
    x = 30,607,156.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.