Home / 21,954,337.19-30,296,955.63-12,165,415.40

Finding the Fourth Proportional to 21,954,337.19, 30,296,955.63 and 12,165,415.40

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Solution

The fourth proportional to 21,954,337.19, 30,296,955.63 and 12,165,415.40 is: 16,788,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,337.19 : 30,296,955.63 = 12,165,415.40 : x
  2. Step 2: Convert to fraction form
    21,954,337.19/30,296,955.63 = 12,165,415.40/x
  3. Step 3: Cross multiply
    21,954,337.19x = 30,296,955.63 × 12,165,415.40
  4. Step 4: Simplify right side
    21,954,337.19x = 368,575,050,442,833.88
  5. Step 5: Solve for x
    x = 368,575,050,442,833.88/21,954,337.19
  6. Step 6: Final answer
    x = 16,788,256.80

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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.