Home / 21,295,556.79-29,353,439.79-16,641,253.86

Finding the Fourth Proportional to 21,295,556.79, 29,353,439.79 and 16,641,253.86

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Solution

The fourth proportional to 21,295,556.79, 29,353,439.79 and 16,641,253.86 is: 22,938,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,556.79 : 29,353,439.79 = 16,641,253.86 : x
  2. Step 2: Convert to fraction form
    21,295,556.79/29,353,439.79 = 16,641,253.86/x
  3. Step 3: Cross multiply
    21,295,556.79x = 29,353,439.79 × 16,641,253.86
  4. Step 4: Simplify right side
    21,295,556.79x = 488,478,043,209,615.06
  5. Step 5: Solve for x
    x = 488,478,043,209,615.06/21,295,556.79
  6. Step 6: Final answer
    x = 22,938,026.37

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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.