Home / 27,545,672.70-41,318,509.05-12,429,128.70

Finding the Fourth Proportional to 27,545,672.70, 41,318,509.05 and 12,429,128.70

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Solution

The fourth proportional to 27,545,672.70, 41,318,509.05 and 12,429,128.70 is: 18,643,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,545,672.70 : 41,318,509.05 = 12,429,128.70 : x
  2. Step 2: Convert to fraction form
    27,545,672.70/41,318,509.05 = 12,429,128.70/x
  3. Step 3: Cross multiply
    27,545,672.70x = 41,318,509.05 × 12,429,128.70
  4. Step 4: Simplify right side
    27,545,672.70x = 513,553,066,674,564.69
  5. Step 5: Solve for x
    x = 513,553,066,674,564.69/27,545,672.70
  6. Step 6: Final answer
    x = 18,643,693.05

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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.