Home / 21,402,453.35-32,103,680.03-13,749,702.95

Finding the Fourth Proportional to 21,402,453.35, 32,103,680.03 and 13,749,702.95

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Solution

The fourth proportional to 21,402,453.35, 32,103,680.03 and 13,749,702.95 is: 20,624,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402,453.35 : 32,103,680.03 = 13,749,702.95 : x
  2. Step 2: Convert to fraction form
    21,402,453.35/32,103,680.03 = 13,749,702.95/x
  3. Step 3: Cross multiply
    21,402,453.35x = 32,103,680.03 × 13,749,702.95
  4. Step 4: Simplify right side
    21,402,453.35x = 441,416,064,014,347.06
  5. Step 5: Solve for x
    x = 441,416,064,014,347.06/21,402,453.35
  6. Step 6: Final answer
    x = 20,624,554.43

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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.