Home / 38,134,609.92-57,203,884.80-12,574,586.88

Finding the Fourth Proportional to 38,134,609.92, 57,203,884.80 and 12,574,586.88

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Solution

The fourth proportional to 38,134,609.92, 57,203,884.80 and 12,574,586.88 is: 18,862,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,609.92 : 57,203,884.80 = 12,574,586.88 : x
  2. Step 2: Convert to fraction form
    38,134,609.92/57,203,884.80 = 12,574,586.88/x
  3. Step 3: Cross multiply
    38,134,609.92x = 57,203,884.80 × 12,574,586.88
  4. Step 4: Simplify right side
    38,134,609.92x = 719,315,219,291,111.38
  5. Step 5: Solve for x
    x = 719,315,219,291,111.38/38,134,609.92
  6. Step 6: Final answer
    x = 18,862,529.89

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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.