Home / 13,366,155.68-18,445,313.04-7,254,584.48

Finding the Fourth Proportional to 13,366,155.68, 18,445,313.04 and 7,254,584.48

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Solution

The fourth proportional to 13,366,155.68, 18,445,313.04 and 7,254,584.48 is: 10,011,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,155.68 : 18,445,313.04 = 7,254,584.48 : x
  2. Step 2: Convert to fraction form
    13,366,155.68/18,445,313.04 = 7,254,584.48/x
  3. Step 3: Cross multiply
    13,366,155.68x = 18,445,313.04 × 7,254,584.48
  4. Step 4: Simplify right side
    13,366,155.68x = 133,813,081,708,725.62
  5. Step 5: Solve for x
    x = 133,813,081,708,725.62/13,366,155.68
  6. Step 6: Final answer
    x = 10,011,336.46

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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.