Home / 13,586,259.72-18,749,037.78-7,474,557

Finding the Fourth Proportional to 13,586,259.72, 18,749,037.78 and 7,474,557

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Solution

The fourth proportional to 13,586,259.72, 18,749,037.78 and 7,474,557 is: 10,314,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,259.72 : 18,749,037.78 = 7,474,557 : x
  2. Step 2: Convert to fraction form
    13,586,259.72/18,749,037.78 = 7,474,557/x
  3. Step 3: Cross multiply
    13,586,259.72x = 18,749,037.78 × 7,474,557
  4. Step 4: Simplify right side
    13,586,259.72x = 140,140,751,581,763.47
  5. Step 5: Solve for x
    x = 140,140,751,581,763.47/13,586,259.72
  6. Step 6: Final answer
    x = 10,314,888.31

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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.