Home / 15,605,078.20-23,407,617.30-12,917,692.60

Finding the Fourth Proportional to 15,605,078.20, 23,407,617.30 and 12,917,692.60

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Solution

The fourth proportional to 15,605,078.20, 23,407,617.30 and 12,917,692.60 is: 19,376,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605,078.20 : 23,407,617.30 = 12,917,692.60 : x
  2. Step 2: Convert to fraction form
    15,605,078.20/23,407,617.30 = 12,917,692.60/x
  3. Step 3: Cross multiply
    15,605,078.20x = 23,407,617.30 × 12,917,692.60
  4. Step 4: Simplify right side
    15,605,078.20x = 302,372,404,779,842
  5. Step 5: Solve for x
    x = 302,372,404,779,842/15,605,078.20
  6. Step 6: Final answer
    x = 19,376,538.90

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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.