Home / 20,139,029.65-30,208,544.48-5,762,566.45

Finding the Fourth Proportional to 20,139,029.65, 30,208,544.48 and 5,762,566.45

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Solution

The fourth proportional to 20,139,029.65, 30,208,544.48 and 5,762,566.45 is: 8,643,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,029.65 : 30,208,544.48 = 5,762,566.45 : x
  2. Step 2: Convert to fraction form
    20,139,029.65/30,208,544.48 = 5,762,566.45/x
  3. Step 3: Cross multiply
    20,139,029.65x = 30,208,544.48 × 5,762,566.45
  4. Step 4: Simplify right side
    20,139,029.65x = 174,078,744,923,780.72
  5. Step 5: Solve for x
    x = 174,078,744,923,780.72/20,139,029.65
  6. Step 6: Final answer
    x = 8,643,849.68

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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.