Home / 18,230,421.90-27,328,525.65-6,878,498.70

Finding the Fourth Proportional to 18,230,421.90, 27,328,525.65 and 6,878,498.70

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Solution

The fourth proportional to 18,230,421.90, 27,328,525.65 and 6,878,498.70 is: 10,311,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230,421.90 : 27,328,525.65 = 6,878,498.70 : x
  2. Step 2: Convert to fraction form
    18,230,421.90/27,328,525.65 = 6,878,498.70/x
  3. Step 3: Cross multiply
    18,230,421.90x = 27,328,525.65 × 6,878,498.70
  4. Step 4: Simplify right side
    18,230,421.90x = 187,979,228,156,441.66
  5. Step 5: Solve for x
    x = 187,979,228,156,441.66/18,230,421.90
  6. Step 6: Final answer
    x = 10,311,293.35

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1.5x scale

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.