Home / 10,676,518.70-16,014,778.05-10,576,985.90

Finding the Fourth Proportional to 10,676,518.70, 16,014,778.05 and 10,576,985.90

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Solution

The fourth proportional to 10,676,518.70, 16,014,778.05 and 10,576,985.90 is: 15,865,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676,518.70 : 16,014,778.05 = 10,576,985.90 : x
  2. Step 2: Convert to fraction form
    10,676,518.70/16,014,778.05 = 10,576,985.90/x
  3. Step 3: Cross multiply
    10,676,518.70x = 16,014,778.05 × 10,576,985.90
  4. Step 4: Simplify right side
    10,676,518.70x = 169,388,081,626,479.50
  5. Step 5: Solve for x
    x = 169,388,081,626,479.50/10,676,518.70
  6. Step 6: Final answer
    x = 15,865,478.85

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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.