Home / 20,166,201.70-30,249,302.55-5,787,988.90

Finding the Fourth Proportional to 20,166,201.70, 30,249,302.55 and 5,787,988.90

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Solution

The fourth proportional to 20,166,201.70, 30,249,302.55 and 5,787,988.90 is: 8,681,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,201.70 : 30,249,302.55 = 5,787,988.90 : x
  2. Step 2: Convert to fraction form
    20,166,201.70/30,249,302.55 = 5,787,988.90/x
  3. Step 3: Cross multiply
    20,166,201.70x = 30,249,302.55 × 5,787,988.90
  4. Step 4: Simplify right side
    20,166,201.70x = 175,082,627,392,141.72
  5. Step 5: Solve for x
    x = 175,082,627,392,141.72/20,166,201.70
  6. Step 6: Final answer
    x = 8,681,983.35

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1.5x scale

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.