Home / 30,348,662.39-45,537,940.67-14,172,262.65

Finding the Fourth Proportional to 30,348,662.39, 45,537,940.67 and 14,172,262.65

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Solution

The fourth proportional to 30,348,662.39, 45,537,940.67 and 14,172,262.65 is: 21,265,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,662.39 : 45,537,940.67 = 14,172,262.65 : x
  2. Step 2: Convert to fraction form
    30,348,662.39/45,537,940.67 = 14,172,262.65/x
  3. Step 3: Cross multiply
    30,348,662.39x = 45,537,940.67 × 14,172,262.65
  4. Step 4: Simplify right side
    30,348,662.39x = 645,375,655,644,495.62
  5. Step 5: Solve for x
    x = 645,375,655,644,495.62/30,348,662.39
  6. Step 6: Final answer
    x = 21,265,373.99

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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.