Home / 11,855,140.80-16,360,110.92-6,422,632.80

Finding the Fourth Proportional to 11,855,140.80, 16,360,110.92 and 6,422,632.80

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Solution

The fourth proportional to 11,855,140.80, 16,360,110.92 and 6,422,632.80 is: 8,863,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,140.80 : 16,360,110.92 = 6,422,632.80 : x
  2. Step 2: Convert to fraction form
    11,855,140.80/16,360,110.92 = 6,422,632.80/x
  3. Step 3: Cross multiply
    11,855,140.80x = 16,360,110.92 × 6,422,632.80
  4. Step 4: Simplify right side
    11,855,140.80x = 105,074,985,006,430.17
  5. Step 5: Solve for x
    x = 105,074,985,006,430.17/11,855,140.80
  6. Step 6: Final answer
    x = 8,863,242.27

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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.