Home / 15,783,021.70-23,674,532.55-15,570,445.30

Finding the Fourth Proportional to 15,783,021.70, 23,674,532.55 and 15,570,445.30

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Solution

The fourth proportional to 15,783,021.70, 23,674,532.55 and 15,570,445.30 is: 23,355,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783,021.70 : 23,674,532.55 = 15,570,445.30 : x
  2. Step 2: Convert to fraction form
    15,783,021.70/23,674,532.55 = 15,570,445.30/x
  3. Step 3: Cross multiply
    15,783,021.70x = 23,674,532.55 × 15,570,445.30
  4. Step 4: Simplify right side
    15,783,021.70x = 368,623,014,072,844.56
  5. Step 5: Solve for x
    x = 368,623,014,072,844.56/15,783,021.70
  6. Step 6: Final answer
    x = 23,355,667.95

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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.