Home / 10,779,819.80-16,169,729.70-5,389,302.20

Finding the Fourth Proportional to 10,779,819.80, 16,169,729.70 and 5,389,302.20

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Solution

The fourth proportional to 10,779,819.80, 16,169,729.70 and 5,389,302.20 is: 8,083,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,819.80 : 16,169,729.70 = 5,389,302.20 : x
  2. Step 2: Convert to fraction form
    10,779,819.80/16,169,729.70 = 5,389,302.20/x
  3. Step 3: Cross multiply
    10,779,819.80x = 16,169,729.70 × 5,389,302.20
  4. Step 4: Simplify right side
    10,779,819.80x = 87,143,559,845,615.34
  5. Step 5: Solve for x
    x = 87,143,559,845,615.34/10,779,819.80
  6. Step 6: Final answer
    x = 8,083,953.30

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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.