Home / 20,383,499.04-30,575,248.08-7,430,620.88

Finding the Fourth Proportional to 20,383,499.04, 30,575,248.08 and 7,430,620.88

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Solution

The fourth proportional to 20,383,499.04, 30,575,248.08 and 7,430,620.88 is: 11,145,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,499.04 : 30,575,248.08 = 7,430,620.88 : x
  2. Step 2: Convert to fraction form
    20,383,499.04/30,575,248.08 = 7,430,620.88/x
  3. Step 3: Cross multiply
    20,383,499.04x = 30,575,248.08 × 7,430,620.88
  4. Step 4: Simplify right side
    20,383,499.04x = 227,193,076,794,427.91
  5. Step 5: Solve for x
    x = 227,193,076,794,427.91/20,383,499.04
  6. Step 6: Final answer
    x = 11,145,931.15

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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.