Home / 28,929,718.81-43,401,205.74-12,537,754.68

Finding the Fourth Proportional to 28,929,718.81, 43,401,205.74 and 12,537,754.68

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Solution

The fourth proportional to 28,929,718.81, 43,401,205.74 and 12,537,754.68 is: 18,809,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929,718.81 : 43,401,205.74 = 12,537,754.68 : x
  2. Step 2: Convert to fraction form
    28,929,718.81/43,401,205.74 = 12,537,754.68/x
  3. Step 3: Cross multiply
    28,929,718.81x = 43,401,205.74 × 12,537,754.68
  4. Step 4: Simplify right side
    28,929,718.81x = 544,153,670,384,327.88
  5. Step 5: Solve for x
    x = 544,153,670,384,327.88/28,929,718.81
  6. Step 6: Final answer
    x = 18,809,504.30

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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.