Home / 28,296,467.80-42,444,701.70-8,101,709.80

Finding the Fourth Proportional to 28,296,467.80, 42,444,701.70 and 8,101,709.80

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Solution

The fourth proportional to 28,296,467.80, 42,444,701.70 and 8,101,709.80 is: 12,152,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296,467.80 : 42,444,701.70 = 8,101,709.80 : x
  2. Step 2: Convert to fraction form
    28,296,467.80/42,444,701.70 = 8,101,709.80/x
  3. Step 3: Cross multiply
    28,296,467.80x = 42,444,701.70 × 8,101,709.80
  4. Step 4: Simplify right side
    28,296,467.80x = 343,874,655,720,966.69
  5. Step 5: Solve for x
    x = 343,874,655,720,966.69/28,296,467.80
  6. Step 6: Final answer
    x = 12,152,564.70

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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.