Home / 47,780,908.64-65,935,754.36-28,208,101.88

Finding the Fourth Proportional to 47,780,908.64, 65,935,754.36 and 28,208,101.88

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Solution

The fourth proportional to 47,780,908.64, 65,935,754.36 and 28,208,101.88 is: 38,926,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,908.64 : 65,935,754.36 = 28,208,101.88 : x
  2. Step 2: Convert to fraction form
    47,780,908.64/65,935,754.36 = 28,208,101.88/x
  3. Step 3: Cross multiply
    47,780,908.64x = 65,935,754.36 × 28,208,101.88
  4. Step 4: Simplify right side
    47,780,908.64x = 1,859,922,476,521,534
  5. Step 5: Solve for x
    x = 1,859,922,476,521,534/47,780,908.64
  6. Step 6: Final answer
    x = 38,926,059.16

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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.