Home / 28,030,359.80-42,010,110.30-13,622,403.80

Finding the Fourth Proportional to 28,030,359.80, 42,010,110.30 and 13,622,403.80

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Solution

The fourth proportional to 28,030,359.80, 42,010,110.30 and 13,622,403.80 is: 20,416,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,359.80 : 42,010,110.30 = 13,622,403.80 : x
  2. Step 2: Convert to fraction form
    28,030,359.80/42,010,110.30 = 13,622,403.80/x
  3. Step 3: Cross multiply
    28,030,359.80x = 42,010,110.30 × 13,622,403.80
  4. Step 4: Simplify right side
    28,030,359.80x = 572,278,686,189,139.12
  5. Step 5: Solve for x
    x = 572,278,686,189,139.12/28,030,359.80
  6. Step 6: Final answer
    x = 20,416,387.46

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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.