Home / 27,559,814.40-41,339,721.60-8,390,419.20

Finding the Fourth Proportional to 27,559,814.40, 41,339,721.60 and 8,390,419.20

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Solution

The fourth proportional to 27,559,814.40, 41,339,721.60 and 8,390,419.20 is: 12,585,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559,814.40 : 41,339,721.60 = 8,390,419.20 : x
  2. Step 2: Convert to fraction form
    27,559,814.40/41,339,721.60 = 8,390,419.20/x
  3. Step 3: Cross multiply
    27,559,814.40x = 41,339,721.60 × 8,390,419.20
  4. Step 4: Simplify right side
    27,559,814.40x = 346,857,593,835,294.69
  5. Step 5: Solve for x
    x = 346,857,593,835,294.69/27,559,814.40
  6. Step 6: Final answer
    x = 12,585,628.80

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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.