Home / 21,068,099.86-31,602,149.80-5,922,031.36

Finding the Fourth Proportional to 21,068,099.86, 31,602,149.80 and 5,922,031.36

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Solution

The fourth proportional to 21,068,099.86, 31,602,149.80 and 5,922,031.36 is: 8,883,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,099.86 : 31,602,149.80 = 5,922,031.36 : x
  2. Step 2: Convert to fraction form
    21,068,099.86/31,602,149.80 = 5,922,031.36/x
  3. Step 3: Cross multiply
    21,068,099.86x = 31,602,149.80 × 5,922,031.36
  4. Step 4: Simplify right side
    21,068,099.86x = 187,148,922,159,017.75
  5. Step 5: Solve for x
    x = 187,148,922,159,017.75/21,068,099.86
  6. Step 6: Final answer
    x = 8,883,047.04

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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.