Home / 21,785,188.83-30,063,783.60-11,996,543.22

Finding the Fourth Proportional to 21,785,188.83, 30,063,783.60 and 11,996,543.22

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Solution

The fourth proportional to 21,785,188.83, 30,063,783.60 and 11,996,543.22 is: 16,555,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785,188.83 : 30,063,783.60 = 11,996,543.22 : x
  2. Step 2: Convert to fraction form
    21,785,188.83/30,063,783.60 = 11,996,543.22/x
  3. Step 3: Cross multiply
    21,785,188.83x = 30,063,783.60 × 11,996,543.22
  4. Step 4: Simplify right side
    21,785,188.83x = 360,661,479,314,127.25
  5. Step 5: Solve for x
    x = 360,661,479,314,127.25/21,785,188.83
  6. Step 6: Final answer
    x = 16,555,352.45

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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.