Home / 14,008,579.20-21,012,868.80-9,898,768.80

Finding the Fourth Proportional to 14,008,579.20, 21,012,868.80 and 9,898,768.80

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Solution

The fourth proportional to 14,008,579.20, 21,012,868.80 and 9,898,768.80 is: 14,848,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,579.20 : 21,012,868.80 = 9,898,768.80 : x
  2. Step 2: Convert to fraction form
    14,008,579.20/21,012,868.80 = 9,898,768.80/x
  3. Step 3: Cross multiply
    14,008,579.20x = 21,012,868.80 × 9,898,768.80
  4. Step 4: Simplify right side
    14,008,579.20x = 208,001,530,075,933.47
  5. Step 5: Solve for x
    x = 208,001,530,075,933.47/14,008,579.20
  6. Step 6: Final answer
    x = 14,848,153.20

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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.