Home / 30,207,938.70-45,311,908.05-10,013,180.70

Finding the Fourth Proportional to 30,207,938.70, 45,311,908.05 and 10,013,180.70

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Solution

The fourth proportional to 30,207,938.70, 45,311,908.05 and 10,013,180.70 is: 15,019,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207,938.70 : 45,311,908.05 = 10,013,180.70 : x
  2. Step 2: Convert to fraction form
    30,207,938.70/45,311,908.05 = 10,013,180.70/x
  3. Step 3: Cross multiply
    30,207,938.70x = 45,311,908.05 × 10,013,180.70
  4. Step 4: Simplify right side
    30,207,938.70x = 453,716,323,166,434.56
  5. Step 5: Solve for x
    x = 453,716,323,166,434.56/30,207,938.70
  6. Step 6: Final answer
    x = 15,019,771.05

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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.