Home / 45,355,217.04-68,022,750.78-13,006,979.28

Finding the Fourth Proportional to 45,355,217.04, 68,022,750.78 and 13,006,979.28

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Solution

The fourth proportional to 45,355,217.04, 68,022,750.78 and 13,006,979.28 is: 19,507,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355,217.04 : 68,022,750.78 = 13,006,979.28 : x
  2. Step 2: Convert to fraction form
    45,355,217.04/68,022,750.78 = 13,006,979.28/x
  3. Step 3: Cross multiply
    45,355,217.04x = 68,022,750.78 × 13,006,979.28
  4. Step 4: Simplify right side
    45,355,217.04x = 884,770,509,964,063.75
  5. Step 5: Solve for x
    x = 884,770,509,964,063.75/45,355,217.04
  6. Step 6: Final answer
    x = 19,507,579.67

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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.