Home / 15,464,556.96-21,341,089.28-8,589,678.72

Finding the Fourth Proportional to 15,464,556.96, 21,341,089.28 and 8,589,678.72

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Solution

The fourth proportional to 15,464,556.96, 21,341,089.28 and 8,589,678.72 is: 11,853,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464,556.96 : 21,341,089.28 = 8,589,678.72 : x
  2. Step 2: Convert to fraction form
    15,464,556.96/21,341,089.28 = 8,589,678.72/x
  3. Step 3: Cross multiply
    15,464,556.96x = 21,341,089.28 × 8,589,678.72
  4. Step 4: Simplify right side
    15,464,556.96x = 183,313,100,450,036.16
  5. Step 5: Solve for x
    x = 183,313,100,450,036.16/15,464,556.96
  6. Step 6: Final answer
    x = 11,853,757.01

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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.