Home / 38,903,768.94-53,687,367.90-21,263,026.80

Finding the Fourth Proportional to 38,903,768.94, 53,687,367.90 and 21,263,026.80

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Solution

The fourth proportional to 38,903,768.94, 53,687,367.90 and 21,263,026.80 is: 29,343,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903,768.94 : 53,687,367.90 = 21,263,026.80 : x
  2. Step 2: Convert to fraction form
    38,903,768.94/53,687,367.90 = 21,263,026.80/x
  3. Step 3: Cross multiply
    38,903,768.94x = 53,687,367.90 × 21,263,026.80
  4. Step 4: Simplify right side
    38,903,768.94x = 1,141,555,942,479,159.75
  5. Step 5: Solve for x
    x = 1,141,555,942,479,159.75/38,903,768.94
  6. Step 6: Final answer
    x = 29,343,068.13

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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.