Home / 12,323,221.03-18,462,909.61-10,507,685.72

Finding the Fourth Proportional to 12,323,221.03, 18,462,909.61 and 10,507,685.72

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Solution

The fourth proportional to 12,323,221.03, 18,462,909.61 and 10,507,685.72 is: 15,742,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323,221.03 : 18,462,909.61 = 10,507,685.72 : x
  2. Step 2: Convert to fraction form
    12,323,221.03/18,462,909.61 = 10,507,685.72/x
  3. Step 3: Cross multiply
    12,323,221.03x = 18,462,909.61 × 10,507,685.72
  4. Step 4: Simplify right side
    12,323,221.03x = 194,002,451,520,362.09
  5. Step 5: Solve for x
    x = 194,002,451,520,362.09/12,323,221.03
  6. Step 6: Final answer
    x = 15,742,836.31

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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.