Home / 13,096,045.72-18,072,730.34-7,515,201.70

Finding the Fourth Proportional to 13,096,045.72, 18,072,730.34 and 7,515,201.70

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Solution

The fourth proportional to 13,096,045.72, 18,072,730.34 and 7,515,201.70 is: 10,371,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096,045.72 : 18,072,730.34 = 7,515,201.70 : x
  2. Step 2: Convert to fraction form
    13,096,045.72/18,072,730.34 = 7,515,201.70/x
  3. Step 3: Cross multiply
    13,096,045.72x = 18,072,730.34 × 7,515,201.70
  4. Step 4: Simplify right side
    13,096,045.72x = 135,820,213,774,809.58
  5. Step 5: Solve for x
    x = 135,820,213,774,809.58/13,096,045.72
  6. Step 6: Final answer
    x = 10,371,085.80

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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.