Home / 13,295,999.80-19,930,002.90-5,205,849.40

Finding the Fourth Proportional to 13,295,999.80, 19,930,002.90 and 5,205,849.40

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Solution

The fourth proportional to 13,295,999.80, 19,930,002.90 and 5,205,849.40 is: 7,803,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,999.80 : 19,930,002.90 = 5,205,849.40 : x
  2. Step 2: Convert to fraction form
    13,295,999.80/19,930,002.90 = 5,205,849.40/x
  3. Step 3: Cross multiply
    13,295,999.80x = 19,930,002.90 × 5,205,849.40
  4. Step 4: Simplify right side
    13,295,999.80x = 103,752,593,638,963.27
  5. Step 5: Solve for x
    x = 103,752,593,638,963.27/13,295,999.80
  6. Step 6: Final answer
    x = 7,803,293.86

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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.