Home / 12,000,671.50-16,560,970.32-6,494,045.80

Finding the Fourth Proportional to 12,000,671.50, 16,560,970.32 and 6,494,045.80

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Solution

The fourth proportional to 12,000,671.50, 16,560,970.32 and 6,494,045.80 is: 8,961,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000,671.50 : 16,560,970.32 = 6,494,045.80 : x
  2. Step 2: Convert to fraction form
    12,000,671.50/16,560,970.32 = 6,494,045.80/x
  3. Step 3: Cross multiply
    12,000,671.50x = 16,560,970.32 × 6,494,045.80
  4. Step 4: Simplify right side
    12,000,671.50x = 107,547,699,750,520.66
  5. Step 5: Solve for x
    x = 107,547,699,750,520.66/12,000,671.50
  6. Step 6: Final answer
    x = 8,961,806.82

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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.