Home / 15,334,898.58-21,158,385.57-9,372,796.38

Finding the Fourth Proportional to 15,334,898.58, 21,158,385.57 and 9,372,796.38

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Solution

The fourth proportional to 15,334,898.58, 21,158,385.57 and 9,372,796.38 is: 12,932,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334,898.58 : 21,158,385.57 = 9,372,796.38 : x
  2. Step 2: Convert to fraction form
    15,334,898.58/21,158,385.57 = 9,372,796.38/x
  3. Step 3: Cross multiply
    15,334,898.58x = 21,158,385.57 × 9,372,796.38
  4. Step 4: Simplify right side
    15,334,898.58x = 198,313,239,677,140.25
  5. Step 5: Solve for x
    x = 198,313,239,677,140.25/15,334,898.58
  6. Step 6: Final answer
    x = 12,932,152.02

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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.