Home / 14,080,144.20-19,428,992.64-7,884,329.44

Finding the Fourth Proportional to 14,080,144.20, 19,428,992.64 and 7,884,329.44

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Solution

The fourth proportional to 14,080,144.20, 19,428,992.64 and 7,884,329.44 is: 10,879,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080,144.20 : 19,428,992.64 = 7,884,329.44 : x
  2. Step 2: Convert to fraction form
    14,080,144.20/19,428,992.64 = 7,884,329.44/x
  3. Step 3: Cross multiply
    14,080,144.20x = 19,428,992.64 × 7,884,329.44
  4. Step 4: Simplify right side
    14,080,144.20x = 153,184,578,661,095.34
  5. Step 5: Solve for x
    x = 153,184,578,661,095.34/14,080,144.20
  6. Step 6: Final answer
    x = 10,879,475.13

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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.