Home / 14,205,309.30-21,309,519.15-13,757,411.70

Finding the Fourth Proportional to 14,205,309.30, 21,309,519.15 and 13,757,411.70

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Solution

The fourth proportional to 14,205,309.30, 21,309,519.15 and 13,757,411.70 is: 20,637,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205,309.30 : 21,309,519.15 = 13,757,411.70 : x
  2. Step 2: Convert to fraction form
    14,205,309.30/21,309,519.15 = 13,757,411.70/x
  3. Step 3: Cross multiply
    14,205,309.30x = 21,309,519.15 × 13,757,411.70
  4. Step 4: Simplify right side
    14,205,309.30x = 293,163,828,075,584
  5. Step 5: Solve for x
    x = 293,163,828,075,584/14,205,309.30
  6. Step 6: Final answer
    x = 20,637,623.71

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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.