Home / 28,030,359.30-42,010,109.55-13,622,403.30

Finding the Fourth Proportional to 28,030,359.30, 42,010,109.55 and 13,622,403.30

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Solution

The fourth proportional to 28,030,359.30, 42,010,109.55 and 13,622,403.30 is: 20,416,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,359.30 : 42,010,109.55 = 13,622,403.30 : x
  2. Step 2: Convert to fraction form
    28,030,359.30/42,010,109.55 = 13,622,403.30/x
  3. Step 3: Cross multiply
    28,030,359.30x = 42,010,109.55 × 13,622,403.30
  4. Step 4: Simplify right side
    28,030,359.30x = 572,278,654,967,281.50
  5. Step 5: Solve for x
    x = 572,278,654,967,281.50/28,030,359.30
  6. Step 6: Final answer
    x = 20,416,386.71

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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.