Home / 28,033,688.56-38,686,497.93-15,474,750.85

Finding the Fourth Proportional to 28,033,688.56, 38,686,497.93 and 15,474,750.85

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Solution

The fourth proportional to 28,033,688.56, 38,686,497.93 and 15,474,750.85 is: 21,355,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033,688.56 : 38,686,497.93 = 15,474,750.85 : x
  2. Step 2: Convert to fraction form
    28,033,688.56/38,686,497.93 = 15,474,750.85/x
  3. Step 3: Cross multiply
    28,033,688.56x = 38,686,497.93 × 15,474,750.85
  4. Step 4: Simplify right side
    28,033,688.56x = 598,663,916,725,790.75
  5. Step 5: Solve for x
    x = 598,663,916,725,790.75/28,033,688.56
  6. Step 6: Final answer
    x = 21,355,160.43

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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.