Home / 21,561,607.20-32,342,410.80-19,798,010.40

Finding the Fourth Proportional to 21,561,607.20, 32,342,410.80 and 19,798,010.40

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Solution

The fourth proportional to 21,561,607.20, 32,342,410.80 and 19,798,010.40 is: 29,697,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,607.20 : 32,342,410.80 = 19,798,010.40 : x
  2. Step 2: Convert to fraction form
    21,561,607.20/32,342,410.80 = 19,798,010.40/x
  3. Step 3: Cross multiply
    21,561,607.20x = 32,342,410.80 × 19,798,010.40
  4. Step 4: Simplify right side
    21,561,607.20x = 640,315,385,379,472.25
  5. Step 5: Solve for x
    x = 640,315,385,379,472.25/21,561,607.20
  6. Step 6: Final answer
    x = 29,697,015.60

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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.