Home / 28,725,019.70-43,087,529.55-13,608,475.70

Finding the Fourth Proportional to 28,725,019.70, 43,087,529.55 and 13,608,475.70

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Solution

The fourth proportional to 28,725,019.70, 43,087,529.55 and 13,608,475.70 is: 20,412,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725,019.70 : 43,087,529.55 = 13,608,475.70 : x
  2. Step 2: Convert to fraction form
    28,725,019.70/43,087,529.55 = 13,608,475.70/x
  3. Step 3: Cross multiply
    28,725,019.70x = 43,087,529.55 × 13,608,475.70
  4. Step 4: Simplify right side
    28,725,019.70x = 586,355,598,854,206.88
  5. Step 5: Solve for x
    x = 586,355,598,854,206.88/28,725,019.70
  6. Step 6: Final answer
    x = 20,412,713.55

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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.