Home / 14,178,408.80-21,283,359.60-7,801,116.80

Finding the Fourth Proportional to 14,178,408.80, 21,283,359.60 and 7,801,116.80

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Solution

The fourth proportional to 14,178,408.80, 21,283,359.60 and 7,801,116.80 is: 11,710,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,408.80 : 21,283,359.60 = 7,801,116.80 : x
  2. Step 2: Convert to fraction form
    14,178,408.80/21,283,359.60 = 7,801,116.80/x
  3. Step 3: Cross multiply
    14,178,408.80x = 21,283,359.60 × 7,801,116.80
  4. Step 4: Simplify right side
    14,178,408.80x = 166,033,974,136,001.28
  5. Step 5: Solve for x
    x = 166,033,974,136,001.28/14,178,408.80
  6. Step 6: Final answer
    x = 11,710,339.04

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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.