Home / 21,452,561.70-32,178,842.55-19,688,964.90

Finding the Fourth Proportional to 21,452,561.70, 32,178,842.55 and 19,688,964.90

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Solution

The fourth proportional to 21,452,561.70, 32,178,842.55 and 19,688,964.90 is: 29,533,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452,561.70 : 32,178,842.55 = 19,688,964.90 : x
  2. Step 2: Convert to fraction form
    21,452,561.70/32,178,842.55 = 19,688,964.90/x
  3. Step 3: Cross multiply
    21,452,561.70x = 32,178,842.55 × 19,688,964.90
  4. Step 4: Simplify right side
    21,452,561.70x = 633,568,101,489,576.50
  5. Step 5: Solve for x
    x = 633,568,101,489,576.50/21,452,561.70
  6. Step 6: Final answer
    x = 29,533,447.35

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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.