Home / 10,779,748.80-16,169,623.20-5,389,231.20

Finding the Fourth Proportional to 10,779,748.80, 16,169,623.20 and 5,389,231.20

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Solution

The fourth proportional to 10,779,748.80, 16,169,623.20 and 5,389,231.20 is: 8,083,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,748.80 : 16,169,623.20 = 5,389,231.20 : x
  2. Step 2: Convert to fraction form
    10,779,748.80/16,169,623.20 = 5,389,231.20/x
  3. Step 3: Cross multiply
    10,779,748.80x = 16,169,623.20 × 5,389,231.20
  4. Step 4: Simplify right side
    10,779,748.80x = 87,141,837,841,683.84
  5. Step 5: Solve for x
    x = 87,141,837,841,683.84/10,779,748.80
  6. Step 6: Final answer
    x = 8,083,846.80

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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.