Home / 20,806,075.80-31,148,288.10-14,834,107.80

Finding the Fourth Proportional to 20,806,075.80, 31,148,288.10 and 14,834,107.80

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Solution

The fourth proportional to 20,806,075.80, 31,148,288.10 and 14,834,107.80 is: 22,207,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,806,075.80 : 31,148,288.10 = 14,834,107.80 : x
  2. Step 2: Convert to fraction form
    20,806,075.80/31,148,288.10 = 14,834,107.80/x
  3. Step 3: Cross multiply
    20,806,075.80x = 31,148,288.10 × 14,834,107.80
  4. Step 4: Simplify right side
    20,806,075.80x = 462,057,063,460,857.25
  5. Step 5: Solve for x
    x = 462,057,063,460,857.25/20,806,075.80
  6. Step 6: Final answer
    x = 22,207,794.87

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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.