Home / 15,075,790.13-20,808,285.93-8,553,237.59

Finding the Fourth Proportional to 15,075,790.13, 20,808,285.93 and 8,553,237.59

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Solution

The fourth proportional to 15,075,790.13, 20,808,285.93 and 8,553,237.59 is: 11,805,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075,790.13 : 20,808,285.93 = 8,553,237.59 : x
  2. Step 2: Convert to fraction form
    15,075,790.13/20,808,285.93 = 8,553,237.59/x
  3. Step 3: Cross multiply
    15,075,790.13x = 20,808,285.93 × 8,553,237.59
  4. Step 4: Simplify right side
    15,075,790.13x = 177,978,213,399,944.09
  5. Step 5: Solve for x
    x = 177,978,213,399,944.09/15,075,790.13
  6. Step 6: Final answer
    x = 11,805,564.54

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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.