Home / 10,405,433.79-15,601,056.55-5,277,976.58

Finding the Fourth Proportional to 10,405,433.79, 15,601,056.55 and 5,277,976.58

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Solution

The fourth proportional to 10,405,433.79, 15,601,056.55 and 5,277,976.58 is: 7,913,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,433.79 : 15,601,056.55 = 5,277,976.58 : x
  2. Step 2: Convert to fraction form
    10,405,433.79/15,601,056.55 = 5,277,976.58/x
  3. Step 3: Cross multiply
    10,405,433.79x = 15,601,056.55 × 5,277,976.58
  4. Step 4: Simplify right side
    10,405,433.79x = 82,342,011,119,963.28
  5. Step 5: Solve for x
    x = 82,342,011,119,963.28/10,405,433.79
  6. Step 6: Final answer
    x = 7,913,366.50

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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.