Home / 18,829,246.80-28,243,870.20-9,263,308.80

Finding the Fourth Proportional to 18,829,246.80, 28,243,870.20 and 9,263,308.80

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Solution

The fourth proportional to 18,829,246.80, 28,243,870.20 and 9,263,308.80 is: 13,894,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,246.80 : 28,243,870.20 = 9,263,308.80 : x
  2. Step 2: Convert to fraction form
    18,829,246.80/28,243,870.20 = 9,263,308.80/x
  3. Step 3: Cross multiply
    18,829,246.80x = 28,243,870.20 × 9,263,308.80
  4. Step 4: Simplify right side
    18,829,246.80x = 261,631,691,369,717.78
  5. Step 5: Solve for x
    x = 261,631,691,369,717.78/18,829,246.80
  6. Step 6: Final answer
    x = 13,894,963.20

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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.