Home / 12,570,099.48-18,840,525.48-7,182,527.04

Finding the Fourth Proportional to 12,570,099.48, 18,840,525.48 and 7,182,527.04

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Solution

The fourth proportional to 12,570,099.48, 18,840,525.48 and 7,182,527.04 is: 10,765,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,099.48 : 18,840,525.48 = 7,182,527.04 : x
  2. Step 2: Convert to fraction form
    12,570,099.48/18,840,525.48 = 7,182,527.04/x
  3. Step 3: Cross multiply
    12,570,099.48x = 18,840,525.48 × 7,182,527.04
  4. Step 4: Simplify right side
    12,570,099.48x = 135,322,583,707,908.98
  5. Step 5: Solve for x
    x = 135,322,583,707,908.98/12,570,099.48
  6. Step 6: Final answer
    x = 10,765,434.59

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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.