Home / 15,145,007.22-20,900,027.30-8,269,440.08

Finding the Fourth Proportional to 15,145,007.22, 20,900,027.30 and 8,269,440.08

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Solution

The fourth proportional to 15,145,007.22, 20,900,027.30 and 8,269,440.08 is: 11,411,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145,007.22 : 20,900,027.30 = 8,269,440.08 : x
  2. Step 2: Convert to fraction form
    15,145,007.22/20,900,027.30 = 8,269,440.08/x
  3. Step 3: Cross multiply
    15,145,007.22x = 20,900,027.30 × 8,269,440.08
  4. Step 4: Simplify right side
    15,145,007.22x = 172,831,523,281,866.88
  5. Step 5: Solve for x
    x = 172,831,523,281,866.88/15,145,007.22
  6. Step 6: Final answer
    x = 11,411,782.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.