Home / 20,534,100.06-30,831,428.70-11,453,938.50

Finding the Fourth Proportional to 20,534,100.06, 30,831,428.70 and 11,453,938.50

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Solution

The fourth proportional to 20,534,100.06, 30,831,428.70 and 11,453,938.50 is: 17,197,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,100.06 : 30,831,428.70 = 11,453,938.50 : x
  2. Step 2: Convert to fraction form
    20,534,100.06/30,831,428.70 = 11,453,938.50/x
  3. Step 3: Cross multiply
    20,534,100.06x = 30,831,428.70 × 11,453,938.50
  4. Step 4: Simplify right side
    20,534,100.06x = 353,141,288,196,934.94
  5. Step 5: Solve for x
    x = 353,141,288,196,934.94/20,534,100.06
  6. Step 6: Final answer
    x = 17,197,797.18

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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.