Home / 28,595,515.16-42,869,164.70-12,409,273.01

Finding the Fourth Proportional to 28,595,515.16, 42,869,164.70 and 12,409,273.01

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Solution

The fourth proportional to 28,595,515.16, 42,869,164.70 and 12,409,273.01 is: 18,603,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595,515.16 : 42,869,164.70 = 12,409,273.01 : x
  2. Step 2: Convert to fraction form
    28,595,515.16/42,869,164.70 = 12,409,273.01/x
  3. Step 3: Cross multiply
    28,595,515.16x = 42,869,164.70 × 12,409,273.01
  4. Step 4: Simplify right side
    28,595,515.16x = 531,975,168,410,908.38
  5. Step 5: Solve for x
    x = 531,975,168,410,908.38/28,595,515.16
  6. Step 6: Final answer
    x = 18,603,447.62

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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.