Home / 27,842,571.52-38,423,010.90-15,619,690.96

Finding the Fourth Proportional to 27,842,571.52, 38,423,010.90 and 15,619,690.96

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Solution

The fourth proportional to 27,842,571.52, 38,423,010.90 and 15,619,690.96 is: 21,555,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842,571.52 : 38,423,010.90 = 15,619,690.96 : x
  2. Step 2: Convert to fraction form
    27,842,571.52/38,423,010.90 = 15,619,690.96/x
  3. Step 3: Cross multiply
    27,842,571.52x = 38,423,010.90 × 15,619,690.96
  4. Step 4: Simplify right side
    27,842,571.52x = 600,155,556,010,711.50
  5. Step 5: Solve for x
    x = 600,155,556,010,711.50/27,842,571.52
  6. Step 6: Final answer
    x = 21,555,320.62

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1.5x scale

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.