Home / 8,749,804.99-12,080,418.57-7,830,453.58

Finding the Fourth Proportional to 8,749,804.99, 12,080,418.57 and 7,830,453.58

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Solution

The fourth proportional to 8,749,804.99, 12,080,418.57 and 7,830,453.58 is: 10,811,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,804.99 : 12,080,418.57 = 7,830,453.58 : x
  2. Step 2: Convert to fraction form
    8,749,804.99/12,080,418.57 = 7,830,453.58/x
  3. Step 3: Cross multiply
    8,749,804.99x = 12,080,418.57 × 7,830,453.58
  4. Step 4: Simplify right side
    8,749,804.99x = 94,595,156,818,529.03
  5. Step 5: Solve for x
    x = 94,595,156,818,529.03/8,749,804.99
  6. Step 6: Final answer
    x = 10,811,116.01

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1.5x scale

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.