Home / 15,301,057-21,115,458.71-8,425,522.66

Finding the Fourth Proportional to 15,301,057, 21,115,458.71 and 8,425,522.66

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Solution

The fourth proportional to 15,301,057, 21,115,458.71 and 8,425,522.66 is: 11,627,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,057 : 21,115,458.71 = 8,425,522.66 : x
  2. Step 2: Convert to fraction form
    15,301,057/21,115,458.71 = 8,425,522.66/x
  3. Step 3: Cross multiply
    15,301,057x = 21,115,458.71 × 8,425,522.66
  4. Step 4: Simplify right side
    15,301,057x = 177,908,775,837,399.38
  5. Step 5: Solve for x
    x = 177,908,775,837,399.38/15,301,057
  6. Step 6: Final answer
    x = 11,627,221.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.