Home / 20,927,001.24-28,879,887.42-11,507,302.98

Finding the Fourth Proportional to 20,927,001.24, 28,879,887.42 and 11,507,302.98

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Solution

The fourth proportional to 20,927,001.24, 28,879,887.42 and 11,507,302.98 is: 15,880,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927,001.24 : 28,879,887.42 = 11,507,302.98 : x
  2. Step 2: Convert to fraction form
    20,927,001.24/28,879,887.42 = 11,507,302.98/x
  3. Step 3: Cross multiply
    20,927,001.24x = 28,879,887.42 × 11,507,302.98
  4. Step 4: Simplify right side
    20,927,001.24x = 332,329,614,570,230.56
  5. Step 5: Solve for x
    x = 332,329,614,570,230.56/20,927,001.24
  6. Step 6: Final answer
    x = 15,880,422.18

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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.