Home / 13,527,489.76-18,667,435.56-7,332,403.46

Finding the Fourth Proportional to 13,527,489.76, 18,667,435.56 and 7,332,403.46

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Solution

The fourth proportional to 13,527,489.76, 18,667,435.56 and 7,332,403.46 is: 10,118,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527,489.76 : 18,667,435.56 = 7,332,403.46 : x
  2. Step 2: Convert to fraction form
    13,527,489.76/18,667,435.56 = 7,332,403.46/x
  3. Step 3: Cross multiply
    13,527,489.76x = 18,667,435.56 × 7,332,403.46
  4. Step 4: Simplify right side
    13,527,489.76x = 136,877,169,089,471.03
  5. Step 5: Solve for x
    x = 136,877,169,089,471.03/13,527,489.76
  6. Step 6: Final answer
    x = 10,118,445.59

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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.