Home / 30,218,770.28-41,683,735.14-18,452,666.54

Finding the Fourth Proportional to 30,218,770.28, 41,683,735.14 and 18,452,666.54

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Solution

The fourth proportional to 30,218,770.28, 41,683,735.14 and 18,452,666.54 is: 25,453,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218,770.28 : 41,683,735.14 = 18,452,666.54 : x
  2. Step 2: Convert to fraction form
    30,218,770.28/41,683,735.14 = 18,452,666.54/x
  3. Step 3: Cross multiply
    30,218,770.28x = 41,683,735.14 × 18,452,666.54
  4. Step 4: Simplify right side
    30,218,770.28x = 769,176,064,680,100.25
  5. Step 5: Solve for x
    x = 769,176,064,680,100.25/30,218,770.28
  6. Step 6: Final answer
    x = 25,453,585.89

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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.