Home / 28,851,343.60-43,277,015.40-18,101,801.20

Finding the Fourth Proportional to 28,851,343.60, 43,277,015.40 and 18,101,801.20

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Solution

The fourth proportional to 28,851,343.60, 43,277,015.40 and 18,101,801.20 is: 27,152,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851,343.60 : 43,277,015.40 = 18,101,801.20 : x
  2. Step 2: Convert to fraction form
    28,851,343.60/43,277,015.40 = 18,101,801.20/x
  3. Step 3: Cross multiply
    28,851,343.60x = 43,277,015.40 × 18,101,801.20
  4. Step 4: Simplify right side
    28,851,343.60x = 783,391,929,300,138.38
  5. Step 5: Solve for x
    x = 783,391,929,300,138.38/28,851,343.60
  6. Step 6: Final answer
    x = 27,152,701.80

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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.