Home / 13,127,686.20-19,691,529.30-11,533,363.20

Finding the Fourth Proportional to 13,127,686.20, 19,691,529.30 and 11,533,363.20

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Solution

The fourth proportional to 13,127,686.20, 19,691,529.30 and 11,533,363.20 is: 17,300,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,686.20 : 19,691,529.30 = 11,533,363.20 : x
  2. Step 2: Convert to fraction form
    13,127,686.20/19,691,529.30 = 11,533,363.20/x
  3. Step 3: Cross multiply
    13,127,686.20x = 19,691,529.30 × 11,533,363.20
  4. Step 4: Simplify right side
    13,127,686.20x = 227,109,559,380,341.75
  5. Step 5: Solve for x
    x = 227,109,559,380,341.75/13,127,686.20
  6. Step 6: Final answer
    x = 17,300,044.80

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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.