Home / 14,137,981.80-21,206,972.70-5,161,367.40

Finding the Fourth Proportional to 14,137,981.80, 21,206,972.70 and 5,161,367.40

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Solution

The fourth proportional to 14,137,981.80, 21,206,972.70 and 5,161,367.40 is: 7,742,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137,981.80 : 21,206,972.70 = 5,161,367.40 : x
  2. Step 2: Convert to fraction form
    14,137,981.80/21,206,972.70 = 5,161,367.40/x
  3. Step 3: Cross multiply
    14,137,981.80x = 21,206,972.70 × 5,161,367.40
  4. Step 4: Simplify right side
    14,137,981.80x = 109,456,977,546,469.98
  5. Step 5: Solve for x
    x = 109,456,977,546,469.98/14,137,981.80
  6. Step 6: Final answer
    x = 7,742,051.10

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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.