Home / 19,089,015-28,638,005.85-6,309,518.34

Finding the Fourth Proportional to 19,089,015, 28,638,005.85 and 6,309,518.34

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Solution

The fourth proportional to 19,089,015, 28,638,005.85 and 6,309,518.34 is: 9,465,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,015 : 28,638,005.85 = 6,309,518.34 : x
  2. Step 2: Convert to fraction form
    19,089,015/28,638,005.85 = 6,309,518.34/x
  3. Step 3: Cross multiply
    19,089,015x = 28,638,005.85 × 6,309,518.34
  4. Step 4: Simplify right side
    19,089,015x = 180,692,023,131,602.28
  5. Step 5: Solve for x
    x = 180,692,023,131,602.28/19,089,015
  6. Step 6: Final answer
    x = 9,465,759.40

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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.