Home / 21,068,100.36-31,602,150.56-5,922,031.86

Finding the Fourth Proportional to 21,068,100.36, 31,602,150.56 and 5,922,031.86

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Solution

The fourth proportional to 21,068,100.36, 31,602,150.56 and 5,922,031.86 is: 8,883,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,100.36 : 31,602,150.56 = 5,922,031.86 : x
  2. Step 2: Convert to fraction form
    21,068,100.36/31,602,150.56 = 5,922,031.86/x
  3. Step 3: Cross multiply
    21,068,100.36x = 31,602,150.56 × 5,922,031.86
  4. Step 4: Simplify right side
    21,068,100.36x = 187,148,942,460,836.84
  5. Step 5: Solve for x
    x = 187,148,942,460,836.84/21,068,100.36
  6. Step 6: Final answer
    x = 8,883,047.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.