Home / 19,886,421.33-27,442,354.37-11,066,308.65

Finding the Fourth Proportional to 19,886,421.33, 27,442,354.37 and 11,066,308.65

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Solution

The fourth proportional to 19,886,421.33, 27,442,354.37 and 11,066,308.65 is: 15,271,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886,421.33 : 27,442,354.37 = 11,066,308.65 : x
  2. Step 2: Convert to fraction form
    19,886,421.33/27,442,354.37 = 11,066,308.65/x
  3. Step 3: Cross multiply
    19,886,421.33x = 27,442,354.37 × 11,066,308.65
  4. Step 4: Simplify right side
    19,886,421.33x = 303,685,563,485,764.75
  5. Step 5: Solve for x
    x = 303,685,563,485,764.75/19,886,421.33
  6. Step 6: Final answer
    x = 15,271,001.17

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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.