Home / 15,027,343,960.34-20,739,647,847.94-9,086,938,977.62

Finding the Fourth Proportional to 15,027,343,960.34, 20,739,647,847.94 and 9,086,938,977.62

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Solution

The fourth proportional to 15,027,343,960.34, 20,739,647,847.94 and 9,086,938,977.62 is: 12,541,132,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,343,960.34 : 20,739,647,847.94 = 9,086,938,977.62 : x
  2. Step 2: Convert to fraction form
    15,027,343,960.34/20,739,647,847.94 = 9,086,938,977.62/x
  3. Step 3: Cross multiply
    15,027,343,960.34x = 20,739,647,847.94 × 9,086,938,977.62
  4. Step 4: Simplify right side
    15,027,343,960.34x = 188,459,914,411,558,731,776
  5. Step 5: Solve for x
    x = 188,459,914,411,558,731,776/15,027,343,960.34
  6. Step 6: Final answer
    x = 12,541,132,678.47

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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.