Home / 19,029,808.21-28,538,314.72-6,896,731.94

Finding the Fourth Proportional to 19,029,808.21, 28,538,314.72 and 6,896,731.94

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Solution

The fourth proportional to 19,029,808.21, 28,538,314.72 and 6,896,731.94 is: 10,342,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029,808.21 : 28,538,314.72 = 6,896,731.94 : x
  2. Step 2: Convert to fraction form
    19,029,808.21/28,538,314.72 = 6,896,731.94/x
  3. Step 3: Cross multiply
    19,029,808.21x = 28,538,314.72 × 6,896,731.94
  4. Step 4: Simplify right side
    19,029,808.21x = 196,821,106,643,196.16
  5. Step 5: Solve for x
    x = 196,821,106,643,196.16/19,029,808.21
  6. Step 6: Final answer
    x = 10,342,779.31

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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.