Home / 28,114,148.53-42,176,974.54-9,667,697.80

Finding the Fourth Proportional to 28,114,148.53, 42,176,974.54 and 9,667,697.80

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Solution

The fourth proportional to 28,114,148.53, 42,176,974.54 and 9,667,697.80 is: 14,503,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114,148.53 : 42,176,974.54 = 9,667,697.80 : x
  2. Step 2: Convert to fraction form
    28,114,148.53/42,176,974.54 = 9,667,697.80/x
  3. Step 3: Cross multiply
    28,114,148.53x = 42,176,974.54 × 9,667,697.80
  4. Step 4: Simplify right side
    28,114,148.53x = 407,754,243,971,014.06
  5. Step 5: Solve for x
    x = 407,754,243,971,014.06/28,114,148.53
  6. Step 6: Final answer
    x = 14,503,524.57

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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.