Home / 19,014,861.12-28,508,106.72-11,440,052.16

Finding the Fourth Proportional to 19,014,861.12, 28,508,106.72 and 11,440,052.16

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Solution

The fourth proportional to 19,014,861.12, 28,508,106.72 and 11,440,052.16 is: 17,151,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014,861.12 : 28,508,106.72 = 11,440,052.16 : x
  2. Step 2: Convert to fraction form
    19,014,861.12/28,508,106.72 = 11,440,052.16/x
  3. Step 3: Cross multiply
    19,014,861.12x = 28,508,106.72 × 11,440,052.16
  4. Step 4: Simplify right side
    19,014,861.12x = 326,134,227,859,646.50
  5. Step 5: Solve for x
    x = 326,134,227,859,646.50/19,014,861.12
  6. Step 6: Final answer
    x = 17,151,544.04

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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.