Home / 14,042,014.20-21,021,030.90-13,211,537.40

Finding the Fourth Proportional to 14,042,014.20, 21,021,030.90 and 13,211,537.40

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Solution

The fourth proportional to 14,042,014.20, 21,021,030.90 and 13,211,537.40 is: 19,777,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,014.20 : 21,021,030.90 = 13,211,537.40 : x
  2. Step 2: Convert to fraction form
    14,042,014.20/21,021,030.90 = 13,211,537.40/x
  3. Step 3: Cross multiply
    14,042,014.20x = 21,021,030.90 × 13,211,537.40
  4. Step 4: Simplify right side
    14,042,014.20x = 277,720,135,921,905.66
  5. Step 5: Solve for x
    x = 277,720,135,921,905.66/14,042,014.20
  6. Step 6: Final answer
    x = 19,777,799.11

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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.