Home / 28,047,404.88-42,072,638.16-8,876,731.44

Finding the Fourth Proportional to 28,047,404.88, 42,072,638.16 and 8,876,731.44

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Solution

The fourth proportional to 28,047,404.88, 42,072,638.16 and 8,876,731.44 is: 13,315,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047,404.88 : 42,072,638.16 = 8,876,731.44 : x
  2. Step 2: Convert to fraction form
    28,047,404.88/42,072,638.16 = 8,876,731.44/x
  3. Step 3: Cross multiply
    28,047,404.88x = 42,072,638.16 × 8,876,731.44
  4. Step 4: Simplify right side
    28,047,404.88x = 373,467,509,918,615.69
  5. Step 5: Solve for x
    x = 373,467,509,918,615.69/28,047,404.88
  6. Step 6: Final answer
    x = 13,315,581.66

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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.