Home / 36,429,842.40-54,707,749.20-19,423,730.40

Finding the Fourth Proportional to 36,429,842.40, 54,707,749.20 and 19,423,730.40

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Solution

The fourth proportional to 36,429,842.40, 54,707,749.20 and 19,423,730.40 is: 29,169,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,429,842.40 : 54,707,749.20 = 19,423,730.40 : x
  2. Step 2: Convert to fraction form
    36,429,842.40/54,707,749.20 = 19,423,730.40/x
  3. Step 3: Cross multiply
    36,429,842.40x = 54,707,749.20 × 19,423,730.40
  4. Step 4: Simplify right side
    36,429,842.40x = 1,062,628,571,251,615.62
  5. Step 5: Solve for x
    x = 1,062,628,571,251,615.62/36,429,842.40
  6. Step 6: Final answer
    x = 29,169,178.38

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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.