Home / 19,078,516.40-28,575,784.20-11,492,250.80

Finding the Fourth Proportional to 19,078,516.40, 28,575,784.20 and 11,492,250.80

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Solution

The fourth proportional to 19,078,516.40, 28,575,784.20 and 11,492,250.80 is: 17,213,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078,516.40 : 28,575,784.20 = 11,492,250.80 : x
  2. Step 2: Convert to fraction form
    19,078,516.40/28,575,784.20 = 11,492,250.80/x
  3. Step 3: Cross multiply
    19,078,516.40x = 28,575,784.20 × 11,492,250.80
  4. Step 4: Simplify right side
    19,078,516.40x = 328,400,078,833,077.38
  5. Step 5: Solve for x
    x = 328,400,078,833,077.38/19,078,516.40
  6. Step 6: Final answer
    x = 17,213,082.61

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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.