Home / 14,638,586.40-20,208,387.60-9,746,704.80

Finding the Fourth Proportional to 14,638,586.40, 20,208,387.60 and 9,746,704.80

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Solution

The fourth proportional to 14,638,586.40, 20,208,387.60 and 9,746,704.80 is: 13,455,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,586.40 : 20,208,387.60 = 9,746,704.80 : x
  2. Step 2: Convert to fraction form
    14,638,586.40/20,208,387.60 = 9,746,704.80/x
  3. Step 3: Cross multiply
    14,638,586.40x = 20,208,387.60 × 9,746,704.80
  4. Step 4: Simplify right side
    14,638,586.40x = 196,965,188,421,180.50
  5. Step 5: Solve for x
    x = 196,965,188,421,180.50/14,638,586.40
  6. Step 6: Final answer
    x = 13,455,205.51

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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.