Home / 28,019,740.60-42,029,610.90-10,974,748.60

Finding the Fourth Proportional to 28,019,740.60, 42,029,610.90 and 10,974,748.60

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Solution

The fourth proportional to 28,019,740.60, 42,029,610.90 and 10,974,748.60 is: 16,462,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019,740.60 : 42,029,610.90 = 10,974,748.60 : x
  2. Step 2: Convert to fraction form
    28,019,740.60/42,029,610.90 = 10,974,748.60/x
  3. Step 3: Cross multiply
    28,019,740.60x = 42,029,610.90 × 10,974,748.60
  4. Step 4: Simplify right side
    28,019,740.60x = 461,264,413,383,319.69
  5. Step 5: Solve for x
    x = 461,264,413,383,319.69/28,019,740.60
  6. Step 6: Final answer
    x = 16,462,122.90

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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.