Home / 27,816,005.20-41,724,007.80-12,699,461.20

Finding the Fourth Proportional to 27,816,005.20, 41,724,007.80 and 12,699,461.20

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Solution

The fourth proportional to 27,816,005.20, 41,724,007.80 and 12,699,461.20 is: 19,049,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816,005.20 : 41,724,007.80 = 12,699,461.20 : x
  2. Step 2: Convert to fraction form
    27,816,005.20/41,724,007.80 = 12,699,461.20/x
  3. Step 3: Cross multiply
    27,816,005.20x = 41,724,007.80 × 12,699,461.20
  4. Step 4: Simplify right side
    27,816,005.20x = 529,872,418,164,597.31
  5. Step 5: Solve for x
    x = 529,872,418,164,597.31/27,816,005.20
  6. Step 6: Final answer
    x = 19,049,191.80

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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.