Home / 28,571,106.29-39,427,456.08-16,811,136.35

Finding the Fourth Proportional to 28,571,106.29, 39,427,456.08 and 16,811,136.35

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Solution

The fourth proportional to 28,571,106.29, 39,427,456.08 and 16,811,136.35 is: 23,198,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571,106.29 : 39,427,456.08 = 16,811,136.35 : x
  2. Step 2: Convert to fraction form
    28,571,106.29/39,427,456.08 = 16,811,136.35/x
  3. Step 3: Cross multiply
    28,571,106.29x = 39,427,456.08 × 16,811,136.35
  4. Step 4: Simplify right side
    28,571,106.29x = 662,820,339,897,379.12
  5. Step 5: Solve for x
    x = 662,820,339,897,379.12/28,571,106.29
  6. Step 6: Final answer
    x = 23,198,973.58

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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.