Home / 20,210,672.80-30,316,268.40-6,747,500.80

Finding the Fourth Proportional to 20,210,672.80, 30,316,268.40 and 6,747,500.80

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Solution

The fourth proportional to 20,210,672.80, 30,316,268.40 and 6,747,500.80 is: 10,121,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,672.80 : 30,316,268.40 = 6,747,500.80 : x
  2. Step 2: Convert to fraction form
    20,210,672.80/30,316,268.40 = 6,747,500.80/x
  3. Step 3: Cross multiply
    20,210,672.80x = 30,316,268.40 × 6,747,500.80
  4. Step 4: Simplify right side
    20,210,672.80x = 204,559,045,282,014.72
  5. Step 5: Solve for x
    x = 204,559,045,282,014.72/20,210,672.80
  6. Step 6: Final answer
    x = 10,121,337.74

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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.