Home / 20,139,601.70-30,209,402.55-6,676,429.70

Finding the Fourth Proportional to 20,139,601.70, 30,209,402.55 and 6,676,429.70

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Solution

The fourth proportional to 20,139,601.70, 30,209,402.55 and 6,676,429.70 is: 10,014,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,601.70 : 30,209,402.55 = 6,676,429.70 : x
  2. Step 2: Convert to fraction form
    20,139,601.70/30,209,402.55 = 6,676,429.70/x
  3. Step 3: Cross multiply
    20,139,601.70x = 30,209,402.55 × 6,676,429.70
  4. Step 4: Simplify right side
    20,139,601.70x = 201,690,952,404,075.75
  5. Step 5: Solve for x
    x = 201,690,952,404,075.75/20,139,601.70
  6. Step 6: Final answer
    x = 10,014,644.55

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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.