Home / 12,952,671.12-19,429,080.66-5,379,636.87

Finding the Fourth Proportional to 12,952,671.12, 19,429,080.66 and 5,379,636.87

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Solution

The fourth proportional to 12,952,671.12, 19,429,080.66 and 5,379,636.87 is: 8,069,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,671.12 : 19,429,080.66 = 5,379,636.87 : x
  2. Step 2: Convert to fraction form
    12,952,671.12/19,429,080.66 = 5,379,636.87/x
  3. Step 3: Cross multiply
    12,952,671.12x = 19,429,080.66 × 5,379,636.87
  4. Step 4: Simplify right side
    12,952,671.12x = 104,521,398,668,739.94
  5. Step 5: Solve for x
    x = 104,521,398,668,739.94/12,952,671.12
  6. Step 6: Final answer
    x = 8,069,486.03

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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.