Home / 20,068,214.40-30,114,131.40-7,290,010.80

Finding the Fourth Proportional to 20,068,214.40, 30,114,131.40 and 7,290,010.80

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Solution

The fourth proportional to 20,068,214.40, 30,114,131.40 and 7,290,010.80 is: 10,939,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068,214.40 : 30,114,131.40 = 7,290,010.80 : x
  2. Step 2: Convert to fraction form
    20,068,214.40/30,114,131.40 = 7,290,010.80/x
  3. Step 3: Cross multiply
    20,068,214.40x = 30,114,131.40 × 7,290,010.80
  4. Step 4: Simplify right side
    20,068,214.40x = 219,532,343,138,619.09
  5. Step 5: Solve for x
    x = 219,532,343,138,619.09/20,068,214.40
  6. Step 6: Final answer
    x = 10,939,306.25

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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.