Home / 18,442,843.40-27,664,265.10-9,939,787.40

Finding the Fourth Proportional to 18,442,843.40, 27,664,265.10 and 9,939,787.40

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Solution

The fourth proportional to 18,442,843.40, 27,664,265.10 and 9,939,787.40 is: 14,909,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,843.40 : 27,664,265.10 = 9,939,787.40 : x
  2. Step 2: Convert to fraction form
    18,442,843.40/27,664,265.10 = 9,939,787.40/x
  3. Step 3: Cross multiply
    18,442,843.40x = 27,664,265.10 × 9,939,787.40
  4. Step 4: Simplify right side
    18,442,843.40x = 274,976,913,671,239.75
  5. Step 5: Solve for x
    x = 274,976,913,671,239.75/18,442,843.40
  6. Step 6: Final answer
    x = 14,909,681.10

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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.