Home / 13,288,779.90-19,932,133.05-5,200,184.70

Finding the Fourth Proportional to 13,288,779.90, 19,932,133.05 and 5,200,184.70

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Solution

The fourth proportional to 13,288,779.90, 19,932,133.05 and 5,200,184.70 is: 7,799,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,779.90 : 19,932,133.05 = 5,200,184.70 : x
  2. Step 2: Convert to fraction form
    13,288,779.90/19,932,133.05 = 5,200,184.70/x
  3. Step 3: Cross multiply
    13,288,779.90x = 19,932,133.05 × 5,200,184.70
  4. Step 4: Simplify right side
    13,288,779.90x = 103,650,773,324,974.34
  5. Step 5: Solve for x
    x = 103,650,773,324,974.34/13,288,779.90
  6. Step 6: Final answer
    x = 7,799,871.33

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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.