Home / 7,990,486.80-11,985,730.20-2,671,702.80

Finding the Fourth Proportional to 7,990,486.80, 11,985,730.20 and 2,671,702.80

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Solution

The fourth proportional to 7,990,486.80, 11,985,730.20 and 2,671,702.80 is: 4,007,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,486.80 : 11,985,730.20 = 2,671,702.80 : x
  2. Step 2: Convert to fraction form
    7,990,486.80/11,985,730.20 = 2,671,702.80/x
  3. Step 3: Cross multiply
    7,990,486.80x = 11,985,730.20 × 2,671,702.80
  4. Step 4: Simplify right side
    7,990,486.80x = 32,022,308,935,384.55
  5. Step 5: Solve for x
    x = 32,022,308,935,384.55/7,990,486.80
  6. Step 6: Final answer
    x = 4,007,554.20

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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.