Home / 15,727,680.25-21,693,018.40-10,498,051.68

Finding the Fourth Proportional to 15,727,680.25, 21,693,018.40 and 10,498,051.68

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Solution

The fourth proportional to 15,727,680.25, 21,693,018.40 and 10,498,051.68 is: 14,479,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,680.25 : 21,693,018.40 = 10,498,051.68 : x
  2. Step 2: Convert to fraction form
    15,727,680.25/21,693,018.40 = 10,498,051.68/x
  3. Step 3: Cross multiply
    15,727,680.25x = 21,693,018.40 × 10,498,051.68
  4. Step 4: Simplify right side
    15,727,680.25x = 227,734,428,258,390.88
  5. Step 5: Solve for x
    x = 227,734,428,258,390.88/15,727,680.25
  6. Step 6: Final answer
    x = 14,479,848.56

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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.