Home / 21,602,227.80-32,403,341.70-19,959,936.60

Finding the Fourth Proportional to 21,602,227.80, 32,403,341.70 and 19,959,936.60

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Solution

The fourth proportional to 21,602,227.80, 32,403,341.70 and 19,959,936.60 is: 29,939,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602,227.80 : 32,403,341.70 = 19,959,936.60 : x
  2. Step 2: Convert to fraction form
    21,602,227.80/32,403,341.70 = 19,959,936.60/x
  3. Step 3: Cross multiply
    21,602,227.80x = 32,403,341.70 × 19,959,936.60
  4. Step 4: Simplify right side
    21,602,227.80x = 646,768,645,960,136.25
  5. Step 5: Solve for x
    x = 646,768,645,960,136.25/21,602,227.80
  6. Step 6: Final answer
    x = 29,939,904.90

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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.