Home / 18,442,828.40-27,664,242.60-9,939,772.40

Finding the Fourth Proportional to 18,442,828.40, 27,664,242.60 and 9,939,772.40

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Solution

The fourth proportional to 18,442,828.40, 27,664,242.60 and 9,939,772.40 is: 14,909,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,828.40 : 27,664,242.60 = 9,939,772.40 : x
  2. Step 2: Convert to fraction form
    18,442,828.40/27,664,242.60 = 9,939,772.40/x
  3. Step 3: Cross multiply
    18,442,828.40x = 27,664,242.60 × 9,939,772.40
  4. Step 4: Simplify right side
    18,442,828.40x = 274,976,275,062,384.25
  5. Step 5: Solve for x
    x = 274,976,275,062,384.25/18,442,828.40
  6. Step 6: Final answer
    x = 14,909,658.60

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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.