Home / 9,072,021.30-13,592,285.55-8,505,150.90

Finding the Fourth Proportional to 9,072,021.30, 13,592,285.55 and 8,505,150.90

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Solution

The fourth proportional to 9,072,021.30, 13,592,285.55 and 8,505,150.90 is: 12,742,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,021.30 : 13,592,285.55 = 8,505,150.90 : x
  2. Step 2: Convert to fraction form
    9,072,021.30/13,592,285.55 = 8,505,150.90/x
  3. Step 3: Cross multiply
    9,072,021.30x = 13,592,285.55 × 8,505,150.90
  4. Step 4: Simplify right side
    9,072,021.30x = 115,604,439,678,639.50
  5. Step 5: Solve for x
    x = 115,604,439,678,639.50/9,072,021.30
  6. Step 6: Final answer
    x = 12,742,963.87

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1.5x scale

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.