Home / 15,172,983.84-20,940,340.68-9,296,518.08

Finding the Fourth Proportional to 15,172,983.84, 20,940,340.68 and 9,296,518.08

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Solution

The fourth proportional to 15,172,983.84, 20,940,340.68 and 9,296,518.08 is: 12,830,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,983.84 : 20,940,340.68 = 9,296,518.08 : x
  2. Step 2: Convert to fraction form
    15,172,983.84/20,940,340.68 = 9,296,518.08/x
  3. Step 3: Cross multiply
    15,172,983.84x = 20,940,340.68 × 9,296,518.08
  4. Step 4: Simplify right side
    15,172,983.84x = 194,672,255,732,979.50
  5. Step 5: Solve for x
    x = 194,672,255,732,979.50/15,172,983.84
  6. Step 6: Final answer
    x = 12,830,189.35

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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.