Home / 20,045,506.20-30,068,259.30-7,266,427.80

Finding the Fourth Proportional to 20,045,506.20, 30,068,259.30 and 7,266,427.80

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Solution

The fourth proportional to 20,045,506.20, 30,068,259.30 and 7,266,427.80 is: 10,899,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,506.20 : 30,068,259.30 = 7,266,427.80 : x
  2. Step 2: Convert to fraction form
    20,045,506.20/30,068,259.30 = 7,266,427.80/x
  3. Step 3: Cross multiply
    20,045,506.20x = 30,068,259.30 × 7,266,427.80
  4. Step 4: Simplify right side
    20,045,506.20x = 218,488,835,275,128.53
  5. Step 5: Solve for x
    x = 218,488,835,275,128.53/20,045,506.20
  6. Step 6: Final answer
    x = 10,899,641.70

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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.