Home / 21,549,206.63-29,738,536.80-11,760,280.22

Finding the Fourth Proportional to 21,549,206.63, 29,738,536.80 and 11,760,280.22

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Solution

The fourth proportional to 21,549,206.63, 29,738,536.80 and 11,760,280.22 is: 16,229,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549,206.63 : 29,738,536.80 = 11,760,280.22 : x
  2. Step 2: Convert to fraction form
    21,549,206.63/29,738,536.80 = 11,760,280.22/x
  3. Step 3: Cross multiply
    21,549,206.63x = 29,738,536.80 × 11,760,280.22
  4. Step 4: Simplify right side
    21,549,206.63x = 349,733,525,952,089.44
  5. Step 5: Solve for x
    x = 349,733,525,952,089.44/21,549,206.63
  6. Step 6: Final answer
    x = 16,229,531.42

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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.