Home / 21,032,968.90-31,552,405.80-6,654,537.40

Finding the Fourth Proportional to 21,032,968.90, 31,552,405.80 and 6,654,537.40

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Solution

The fourth proportional to 21,032,968.90, 31,552,405.80 and 6,654,537.40 is: 9,982,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,968.90 : 31,552,405.80 = 6,654,537.40 : x
  2. Step 2: Convert to fraction form
    21,032,968.90/31,552,405.80 = 6,654,537.40/x
  3. Step 3: Cross multiply
    21,032,968.90x = 31,552,405.80 × 6,654,537.40
  4. Step 4: Simplify right side
    21,032,968.90x = 209,966,664,456,076.94
  5. Step 5: Solve for x
    x = 209,966,664,456,076.94/21,032,968.90
  6. Step 6: Final answer
    x = 9,982,740.21

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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.