Home / 38,243,526.40-52,775,774.24-20,839,817.80

Finding the Fourth Proportional to 38,243,526.40, 52,775,774.24 and 20,839,817.80

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Solution

The fourth proportional to 38,243,526.40, 52,775,774.24 and 20,839,817.80 is: 28,758,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243,526.40 : 52,775,774.24 = 20,839,817.80 : x
  2. Step 2: Convert to fraction form
    38,243,526.40/52,775,774.24 = 20,839,817.80/x
  3. Step 3: Cross multiply
    38,243,526.40x = 52,775,774.24 × 20,839,817.80
  4. Step 4: Simplify right side
    38,243,526.40x = 1,099,837,519,415,533.50
  5. Step 5: Solve for x
    x = 1,099,837,519,415,533.50/38,243,526.40
  6. Step 6: Final answer
    x = 28,758,789.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.