Home / 19,100,830.20-28,588,259.70-13,432,126.20

Finding the Fourth Proportional to 19,100,830.20, 28,588,259.70 and 13,432,126.20

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Solution

The fourth proportional to 19,100,830.20, 28,588,259.70 and 13,432,126.20 is: 20,103,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100,830.20 : 28,588,259.70 = 13,432,126.20 : x
  2. Step 2: Convert to fraction form
    19,100,830.20/28,588,259.70 = 13,432,126.20/x
  3. Step 3: Cross multiply
    19,100,830.20x = 28,588,259.70 × 13,432,126.20
  4. Step 4: Simplify right side
    19,100,830.20x = 384,001,112,128,774.12
  5. Step 5: Solve for x
    x = 384,001,112,128,774.12/19,100,830.20
  6. Step 6: Final answer
    x = 20,103,896.43

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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.