Home / 11,485,328.80-15,850,461.20-6,328,689.44

Finding the Fourth Proportional to 11,485,328.80, 15,850,461.20 and 6,328,689.44

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Solution

The fourth proportional to 11,485,328.80, 15,850,461.20 and 6,328,689.44 is: 8,733,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485,328.80 : 15,850,461.20 = 6,328,689.44 : x
  2. Step 2: Convert to fraction form
    11,485,328.80/15,850,461.20 = 6,328,689.44/x
  3. Step 3: Cross multiply
    11,485,328.80x = 15,850,461.20 × 6,328,689.44
  4. Step 4: Simplify right side
    11,485,328.80x = 100,312,646,415,569.73
  5. Step 5: Solve for x
    x = 100,312,646,415,569.73/11,485,328.80
  6. Step 6: Final answer
    x = 8,733,981.25

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1.5x scale

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.