Home / 21,063,826.60-31,595,739.90-11,962,407.40

Finding the Fourth Proportional to 21,063,826.60, 31,595,739.90 and 11,962,407.40

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Solution

The fourth proportional to 21,063,826.60, 31,595,739.90 and 11,962,407.40 is: 17,943,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,826.60 : 31,595,739.90 = 11,962,407.40 : x
  2. Step 2: Convert to fraction form
    21,063,826.60/31,595,739.90 = 11,962,407.40/x
  3. Step 3: Cross multiply
    21,063,826.60x = 31,595,739.90 × 11,962,407.40
  4. Step 4: Simplify right side
    21,063,826.60x = 377,961,112,788,235.25
  5. Step 5: Solve for x
    x = 377,961,112,788,235.25/21,063,826.60
  6. Step 6: Final answer
    x = 17,943,611.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.