Home / 21,856,613.76-30,161,526.48-12,066,879.60

Finding the Fourth Proportional to 21,856,613.76, 30,161,526.48 and 12,066,879.60

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Solution

The fourth proportional to 21,856,613.76, 30,161,526.48 and 12,066,879.60 is: 16,651,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,613.76 : 30,161,526.48 = 12,066,879.60 : x
  2. Step 2: Convert to fraction form
    21,856,613.76/30,161,526.48 = 12,066,879.60/x
  3. Step 3: Cross multiply
    21,856,613.76x = 30,161,526.48 × 12,066,879.60
  4. Step 4: Simplify right side
    21,856,613.76x = 363,955,508,586,371.81
  5. Step 5: Solve for x
    x = 363,955,508,586,371.81/21,856,613.76
  6. Step 6: Final answer
    x = 16,651,962.31

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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.