Home / 11,742,403.20-17,613,604.80-8,159,222.40

Finding the Fourth Proportional to 11,742,403.20, 17,613,604.80 and 8,159,222.40

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Solution

The fourth proportional to 11,742,403.20, 17,613,604.80 and 8,159,222.40 is: 12,238,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742,403.20 : 17,613,604.80 = 8,159,222.40 : x
  2. Step 2: Convert to fraction form
    11,742,403.20/17,613,604.80 = 8,159,222.40/x
  3. Step 3: Cross multiply
    11,742,403.20x = 17,613,604.80 × 8,159,222.40
  4. Step 4: Simplify right side
    11,742,403.20x = 143,713,318,828,907.53
  5. Step 5: Solve for x
    x = 143,713,318,828,907.53/11,742,403.20
  6. Step 6: Final answer
    x = 12,238,833.60

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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.