Home / 15,588,937.41-21,512,288.70-8,619,495.09

Finding the Fourth Proportional to 15,588,937.41, 21,512,288.70 and 8,619,495.09

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Solution

The fourth proportional to 15,588,937.41, 21,512,288.70 and 8,619,495.09 is: 11,894,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,937.41 : 21,512,288.70 = 8,619,495.09 : x
  2. Step 2: Convert to fraction form
    15,588,937.41/21,512,288.70 = 8,619,495.09/x
  3. Step 3: Cross multiply
    15,588,937.41x = 21,512,288.70 × 8,619,495.09
  4. Step 4: Simplify right side
    15,588,937.41x = 185,425,066,824,312.47
  5. Step 5: Solve for x
    x = 185,425,066,824,312.47/15,588,937.41
  6. Step 6: Final answer
    x = 11,894,657.21

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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.