Home / 23,089,840-31,867,342.16-13,298,378.56

Finding the Fourth Proportional to 23,089,840, 31,867,342.16 and 13,298,378.56

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Solution

The fourth proportional to 23,089,840, 31,867,342.16 and 13,298,378.56 is: 18,353,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,089,840 : 31,867,342.16 = 13,298,378.56 : x
  2. Step 2: Convert to fraction form
    23,089,840/31,867,342.16 = 13,298,378.56/x
  3. Step 3: Cross multiply
    23,089,840x = 31,867,342.16 × 13,298,378.56
  4. Step 4: Simplify right side
    23,089,840x = 423,783,979,744,728.12
  5. Step 5: Solve for x
    x = 423,783,979,744,728.12/23,089,840
  6. Step 6: Final answer
    x = 18,353,699.28

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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.