Home / 12,672,078.40-19,008,117.60-5,953,614.40

Finding the Fourth Proportional to 12,672,078.40, 19,008,117.60 and 5,953,614.40

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Solution

The fourth proportional to 12,672,078.40, 19,008,117.60 and 5,953,614.40 is: 8,930,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,078.40 : 19,008,117.60 = 5,953,614.40 : x
  2. Step 2: Convert to fraction form
    12,672,078.40/19,008,117.60 = 5,953,614.40/x
  3. Step 3: Cross multiply
    12,672,078.40x = 19,008,117.60 × 5,953,614.40
  4. Step 4: Simplify right side
    12,672,078.40x = 113,167,002,660,253.45
  5. Step 5: Solve for x
    x = 113,167,002,660,253.45/12,672,078.40
  6. Step 6: Final answer
    x = 8,930,421.60

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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.