Home / 14,443,449.84-19,920,338.69-12,697,385.90

Finding the Fourth Proportional to 14,443,449.84, 19,920,338.69 and 12,697,385.90

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Solution

The fourth proportional to 14,443,449.84, 19,920,338.69 and 12,697,385.90 is: 17,512,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,449.84 : 19,920,338.69 = 12,697,385.90 : x
  2. Step 2: Convert to fraction form
    14,443,449.84/19,920,338.69 = 12,697,385.90/x
  3. Step 3: Cross multiply
    14,443,449.84x = 19,920,338.69 × 12,697,385.90
  4. Step 4: Simplify right side
    14,443,449.84x = 252,936,227,442,541.81
  5. Step 5: Solve for x
    x = 252,936,227,442,541.81/14,443,449.84
  6. Step 6: Final answer
    x = 17,512,175.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.