Home / 20,044,820.40-30,130,216.20-19,666,906.80

Finding the Fourth Proportional to 20,044,820.40, 30,130,216.20 and 19,666,906.80

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Solution

The fourth proportional to 20,044,820.40, 30,130,216.20 and 19,666,906.80 is: 29,562,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044,820.40 : 30,130,216.20 = 19,666,906.80 : x
  2. Step 2: Convert to fraction form
    20,044,820.40/30,130,216.20 = 19,666,906.80/x
  3. Step 3: Cross multiply
    20,044,820.40x = 30,130,216.20 × 19,666,906.80
  4. Step 4: Simplify right side
    20,044,820.40x = 592,568,153,869,250.12
  5. Step 5: Solve for x
    x = 592,568,153,869,250.12/20,044,820.40
  6. Step 6: Final answer
    x = 29,562,158.31

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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.