Home / 28,027,762.56-38,678,368.32-15,150,706.56

Finding the Fourth Proportional to 28,027,762.56, 38,678,368.32 and 15,150,706.56

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Solution

The fourth proportional to 28,027,762.56, 38,678,368.32 and 15,150,706.56 is: 20,908,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027,762.56 : 38,678,368.32 = 15,150,706.56 : x
  2. Step 2: Convert to fraction form
    28,027,762.56/38,678,368.32 = 15,150,706.56/x
  3. Step 3: Cross multiply
    28,027,762.56x = 38,678,368.32 × 15,150,706.56
  4. Step 4: Simplify right side
    28,027,762.56x = 586,004,608,635,920.25
  5. Step 5: Solve for x
    x = 586,004,608,635,920.25/28,027,762.56
  6. Step 6: Final answer
    x = 20,908,005.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.