Home / 30,207,935.70-45,311,903.55-10,013,177.70

Finding the Fourth Proportional to 30,207,935.70, 45,311,903.55 and 10,013,177.70

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Solution

The fourth proportional to 30,207,935.70, 45,311,903.55 and 10,013,177.70 is: 15,019,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207,935.70 : 45,311,903.55 = 10,013,177.70 : x
  2. Step 2: Convert to fraction form
    30,207,935.70/45,311,903.55 = 10,013,177.70/x
  3. Step 3: Cross multiply
    30,207,935.70x = 45,311,903.55 × 10,013,177.70
  4. Step 4: Simplify right side
    30,207,935.70x = 453,716,142,171,410.75
  5. Step 5: Solve for x
    x = 453,716,142,171,410.75/30,207,935.70
  6. Step 6: Final answer
    x = 15,019,766.55

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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.