Home / 27,820,744.82-38,397,225.20-15,434,828.72

Finding the Fourth Proportional to 27,820,744.82, 38,397,225.20 and 15,434,828.72

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Solution

The fourth proportional to 27,820,744.82, 38,397,225.20 and 15,434,828.72 is: 21,302,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820,744.82 : 38,397,225.20 = 15,434,828.72 : x
  2. Step 2: Convert to fraction form
    27,820,744.82/38,397,225.20 = 15,434,828.72/x
  3. Step 3: Cross multiply
    27,820,744.82x = 38,397,225.20 × 15,434,828.72
  4. Step 4: Simplify right side
    27,820,744.82x = 592,654,594,285,267.88
  5. Step 5: Solve for x
    x = 592,654,594,285,267.88/27,820,744.82
  6. Step 6: Final answer
    x = 21,302,614.22

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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.