Home / 28,030,518.30-42,010,348.05-13,622,562.30

Finding the Fourth Proportional to 28,030,518.30, 42,010,348.05 and 13,622,562.30

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Solution

The fourth proportional to 28,030,518.30, 42,010,348.05 and 13,622,562.30 is: 20,416,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,518.30 : 42,010,348.05 = 13,622,562.30 : x
  2. Step 2: Convert to fraction form
    28,030,518.30/42,010,348.05 = 13,622,562.30/x
  3. Step 3: Cross multiply
    28,030,518.30x = 42,010,348.05 × 13,622,562.30
  4. Step 4: Simplify right side
    28,030,518.30x = 572,288,583,555,808.50
  5. Step 5: Solve for x
    x = 572,288,583,555,808.50/28,030,518.30
  6. Step 6: Final answer
    x = 20,416,625.10

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1.5x scale

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.