Home / 28,072,813.68-42,113,237.04-8,643,683.34

Finding the Fourth Proportional to 28,072,813.68, 42,113,237.04 and 8,643,683.34

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Solution

The fourth proportional to 28,072,813.68, 42,113,237.04 and 8,643,683.34 is: 12,966,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,813.68 : 42,113,237.04 = 8,643,683.34 : x
  2. Step 2: Convert to fraction form
    28,072,813.68/42,113,237.04 = 8,643,683.34/x
  3. Step 3: Cross multiply
    28,072,813.68x = 42,113,237.04 × 8,643,683.34
  4. Step 4: Simplify right side
    28,072,813.68x = 364,013,485,396,118.88
  5. Step 5: Solve for x
    x = 364,013,485,396,118.88/28,072,813.68
  6. Step 6: Final answer
    x = 12,966,761.71

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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.