Home / 19,146,500.64-28,719,529.52-5,499,981.48

Finding the Fourth Proportional to 19,146,500.64, 28,719,529.52 and 5,499,981.48

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Solution

The fourth proportional to 19,146,500.64, 28,719,529.52 and 5,499,981.48 is: 8,249,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,500.64 : 28,719,529.52 = 5,499,981.48 : x
  2. Step 2: Convert to fraction form
    19,146,500.64/28,719,529.52 = 5,499,981.48/x
  3. Step 3: Cross multiply
    19,146,500.64x = 28,719,529.52 × 5,499,981.48
  4. Step 4: Simplify right side
    19,146,500.64x = 157,956,880,474,313.31
  5. Step 5: Solve for x
    x = 157,956,880,474,313.31/19,146,500.64
  6. Step 6: Final answer
    x = 8,249,908.61

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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.