Home / 13,790,053.80-20,685,024.22-4,205,404.20

Finding the Fourth Proportional to 13,790,053.80, 20,685,024.22 and 4,205,404.20

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Solution

The fourth proportional to 13,790,053.80, 20,685,024.22 and 4,205,404.20 is: 6,308,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790,053.80 : 20,685,024.22 = 4,205,404.20 : x
  2. Step 2: Convert to fraction form
    13,790,053.80/20,685,024.22 = 4,205,404.20/x
  3. Step 3: Cross multiply
    13,790,053.80x = 20,685,024.22 × 4,205,404.20
  4. Step 4: Simplify right side
    13,790,053.80x = 86,988,887,731,889.72
  5. Step 5: Solve for x
    x = 86,988,887,731,889.72/13,790,053.80
  6. Step 6: Final answer
    x = 6,308,089.08

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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.