Home / 21,954,339.47-30,296,958.75-12,165,417.59

Finding the Fourth Proportional to 21,954,339.47, 30,296,958.75 and 12,165,417.59

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Solution

The fourth proportional to 21,954,339.47, 30,296,958.75 and 12,165,417.59 is: 16,788,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,339.47 : 30,296,958.75 = 12,165,417.59 : x
  2. Step 2: Convert to fraction form
    21,954,339.47/30,296,958.75 = 12,165,417.59/x
  3. Step 3: Cross multiply
    21,954,339.47x = 30,296,958.75 × 12,165,417.59
  4. Step 4: Simplify right side
    21,954,339.47x = 368,575,154,749,269.62
  5. Step 5: Solve for x
    x = 368,575,154,749,269.62/21,954,339.47
  6. Step 6: Final answer
    x = 16,788,259.80

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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.