Home / 21,435,136.20-32,190,029.10-11,357,440.20

Finding the Fourth Proportional to 21,435,136.20, 32,190,029.10 and 11,357,440.20

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Solution

The fourth proportional to 21,435,136.20, 32,190,029.10 and 11,357,440.20 is: 17,055,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435,136.20 : 32,190,029.10 = 11,357,440.20 : x
  2. Step 2: Convert to fraction form
    21,435,136.20/32,190,029.10 = 11,357,440.20/x
  3. Step 3: Cross multiply
    21,435,136.20x = 32,190,029.10 × 11,357,440.20
  4. Step 4: Simplify right side
    21,435,136.20x = 365,596,330,539,509.81
  5. Step 5: Solve for x
    x = 365,596,330,539,509.81/21,435,136.20
  6. Step 6: Final answer
    x = 17,055,936.90

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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.