Home / 14,873,408-20,525,303.36-8,434,880

Finding the Fourth Proportional to 14,873,408, 20,525,303.36 and 8,434,880

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Solution

The fourth proportional to 14,873,408, 20,525,303.36 and 8,434,880 is: 11,640,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873,408 : 20,525,303.36 = 8,434,880 : x
  2. Step 2: Convert to fraction form
    14,873,408/20,525,303.36 = 8,434,880/x
  3. Step 3: Cross multiply
    14,873,408x = 20,525,303.36 × 8,434,880
  4. Step 4: Simplify right side
    14,873,408x = 173,128,470,805,196.78
  5. Step 5: Solve for x
    x = 173,128,470,805,196.78/14,873,408
  6. Step 6: Final answer
    x = 11,640,134.58

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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.