Home / 39,958,672.56-55,143,106.74-21,623,953.20

Finding the Fourth Proportional to 39,958,672.56, 55,143,106.74 and 21,623,953.20

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Solution

The fourth proportional to 39,958,672.56, 55,143,106.74 and 21,623,953.20 is: 29,841,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958,672.56 : 55,143,106.74 = 21,623,953.20 : x
  2. Step 2: Convert to fraction form
    39,958,672.56/55,143,106.74 = 21,623,953.20/x
  3. Step 3: Cross multiply
    39,958,672.56x = 55,143,106.74 × 21,623,953.20
  4. Step 4: Simplify right side
    39,958,672.56x = 1,192,411,959,448,364.50
  5. Step 5: Solve for x
    x = 1,192,411,959,448,364.50/39,958,672.56
  6. Step 6: Final answer
    x = 29,841,130.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.