Home / 28,943,890.64-43,389,190.03-12,538,866.68

Finding the Fourth Proportional to 28,943,890.64, 43,389,190.03 and 12,538,866.68

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Solution

The fourth proportional to 28,943,890.64, 43,389,190.03 and 12,538,866.68 is: 18,796,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943,890.64 : 43,389,190.03 = 12,538,866.68 : x
  2. Step 2: Convert to fraction form
    28,943,890.64/43,389,190.03 = 12,538,866.68/x
  3. Step 3: Cross multiply
    28,943,890.64x = 43,389,190.03 × 12,538,866.68
  4. Step 4: Simplify right side
    28,943,890.64x = 544,051,269,139,355.19
  5. Step 5: Solve for x
    x = 544,051,269,139,355.19/28,943,890.64
  6. Step 6: Final answer
    x = 18,796,756.66

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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.