Home / 10,779,105.80-16,168,658.70-5,388,588.20

Finding the Fourth Proportional to 10,779,105.80, 16,168,658.70 and 5,388,588.20

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Solution

The fourth proportional to 10,779,105.80, 16,168,658.70 and 5,388,588.20 is: 8,082,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,105.80 : 16,168,658.70 = 5,388,588.20 : x
  2. Step 2: Convert to fraction form
    10,779,105.80/16,168,658.70 = 5,388,588.20/x
  3. Step 3: Cross multiply
    10,779,105.80x = 16,168,658.70 × 5,388,588.20
  4. Step 4: Simplify right side
    10,779,105.80x = 87,126,243,480,647.34
  5. Step 5: Solve for x
    x = 87,126,243,480,647.34/10,779,105.80
  6. Step 6: Final answer
    x = 8,082,882.30

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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.