Home / 21,068,099.88-31,602,149.82-5,922,031.38

Finding the Fourth Proportional to 21,068,099.88, 31,602,149.82 and 5,922,031.38

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Solution

The fourth proportional to 21,068,099.88, 31,602,149.82 and 5,922,031.38 is: 8,883,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,099.88 : 31,602,149.82 = 5,922,031.38 : x
  2. Step 2: Convert to fraction form
    21,068,099.88/31,602,149.82 = 5,922,031.38/x
  3. Step 3: Cross multiply
    21,068,099.88x = 31,602,149.82 × 5,922,031.38
  4. Step 4: Simplify right side
    21,068,099.88x = 187,148,922,909,501.34
  5. Step 5: Solve for x
    x = 187,148,922,909,501.34/21,068,099.88
  6. Step 6: Final answer
    x = 8,883,047.07

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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.