Home / 20,605,641.09-28,434,362.26-11,437,562.13

Finding the Fourth Proportional to 20,605,641.09, 28,434,362.26 and 11,437,562.13

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Solution

The fourth proportional to 20,605,641.09, 28,434,362.26 and 11,437,562.13 is: 15,783,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605,641.09 : 28,434,362.26 = 11,437,562.13 : x
  2. Step 2: Convert to fraction form
    20,605,641.09/28,434,362.26 = 11,437,562.13/x
  3. Step 3: Cross multiply
    20,605,641.09x = 28,434,362.26 × 11,437,562.13
  4. Step 4: Simplify right side
    20,605,641.09x = 325,219,784,975,677.25
  5. Step 5: Solve for x
    x = 325,219,784,975,677.25/20,605,641.09
  6. Step 6: Final answer
    x = 15,783,046.18

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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.