Home / 19,089,279.56-28,638,403.62-6,309,784.52

Finding the Fourth Proportional to 19,089,279.56, 28,638,403.62 and 6,309,784.52

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Solution

The fourth proportional to 19,089,279.56, 28,638,403.62 and 6,309,784.52 is: 9,466,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,279.56 : 28,638,403.62 = 6,309,784.52 : x
  2. Step 2: Convert to fraction form
    19,089,279.56/28,638,403.62 = 6,309,784.52/x
  3. Step 3: Cross multiply
    19,089,279.56x = 28,638,403.62 × 6,309,784.52
  4. Step 4: Simplify right side
    19,089,279.56x = 180,702,155,838,987.97
  5. Step 5: Solve for x
    x = 180,702,155,838,987.97/19,089,279.56
  6. Step 6: Final answer
    x = 9,466,159.02

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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.