Home / 15,380,131.90-21,217,355.58-10,970,832.10

Finding the Fourth Proportional to 15,380,131.90, 21,217,355.58 and 10,970,832.10

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Solution

The fourth proportional to 15,380,131.90, 21,217,355.58 and 10,970,832.10 is: 15,134,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380,131.90 : 21,217,355.58 = 10,970,832.10 : x
  2. Step 2: Convert to fraction form
    15,380,131.90/21,217,355.58 = 10,970,832.10/x
  3. Step 3: Cross multiply
    15,380,131.90x = 21,217,355.58 × 10,970,832.10
  4. Step 4: Simplify right side
    15,380,131.90x = 232,772,045,674,178.09
  5. Step 5: Solve for x
    x = 232,772,045,674,178.09/15,380,131.90
  6. Step 6: Final answer
    x = 15,134,593.59

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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.