Home / 21,352,002.80-32,028,004.20-19,924,329.20

Finding the Fourth Proportional to 21,352,002.80, 32,028,004.20 and 19,924,329.20

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Solution

The fourth proportional to 21,352,002.80, 32,028,004.20 and 19,924,329.20 is: 29,886,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,002.80 : 32,028,004.20 = 19,924,329.20 : x
  2. Step 2: Convert to fraction form
    21,352,002.80/32,028,004.20 = 19,924,329.20/x
  3. Step 3: Cross multiply
    21,352,002.80x = 32,028,004.20 × 19,924,329.20
  4. Step 4: Simplify right side
    21,352,002.80x = 638,136,499,299,782.62
  5. Step 5: Solve for x
    x = 638,136,499,299,782.62/21,352,002.80
  6. Step 6: Final answer
    x = 29,886,493.80

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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.