Home / 21,563,635.17-29,759,021.67-11,774,987.67

Finding the Fourth Proportional to 21,563,635.17, 29,759,021.67 and 11,774,987.67

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Solution

The fourth proportional to 21,563,635.17, 29,759,021.67 and 11,774,987.67 is: 16,250,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,635.17 : 29,759,021.67 = 11,774,987.67 : x
  2. Step 2: Convert to fraction form
    21,563,635.17/29,759,021.67 = 11,774,987.67/x
  3. Step 3: Cross multiply
    21,563,635.17x = 29,759,021.67 × 11,774,987.67
  4. Step 4: Simplify right side
    21,563,635.17x = 350,412,113,235,512.81
  5. Step 5: Solve for x
    x = 350,412,113,235,512.81/21,563,635.17
  6. Step 6: Final answer
    x = 16,250,141.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.