Home / 21,068,103.63-31,602,155.45-5,922,035.13

Finding the Fourth Proportional to 21,068,103.63, 31,602,155.45 and 5,922,035.13

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Solution

The fourth proportional to 21,068,103.63, 31,602,155.45 and 5,922,035.13 is: 8,883,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,103.63 : 31,602,155.45 = 5,922,035.13 : x
  2. Step 2: Convert to fraction form
    21,068,103.63/31,602,155.45 = 5,922,035.13/x
  3. Step 3: Cross multiply
    21,068,103.63x = 31,602,155.45 × 5,922,035.13
  4. Step 4: Simplify right side
    21,068,103.63x = 187,149,074,729,010.78
  5. Step 5: Solve for x
    x = 187,149,074,729,010.78/21,068,103.63
  6. Step 6: Final answer
    x = 8,883,052.70

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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.