Home / 27,693,432-38,216,842.20-15,303,179.52

Finding the Fourth Proportional to 27,693,432, 38,216,842.20 and 15,303,179.52

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Solution

The fourth proportional to 27,693,432, 38,216,842.20 and 15,303,179.52 is: 21,118,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693,432 : 38,216,842.20 = 15,303,179.52 : x
  2. Step 2: Convert to fraction form
    27,693,432/38,216,842.20 = 15,303,179.52/x
  3. Step 3: Cross multiply
    27,693,432x = 38,216,842.20 × 15,303,179.52
  4. Step 4: Simplify right side
    27,693,432x = 584,839,196,874,111.75
  5. Step 5: Solve for x
    x = 584,839,196,874,111.75/27,693,432
  6. Step 6: Final answer
    x = 21,118,335.82

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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.