Home / 15,406,151.12-21,260,228.72-8,530,485.56

Finding the Fourth Proportional to 15,406,151.12, 21,260,228.72 and 8,530,485.56

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Solution

The fourth proportional to 15,406,151.12, 21,260,228.72 and 8,530,485.56 is: 11,771,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,151.12 : 21,260,228.72 = 8,530,485.56 : x
  2. Step 2: Convert to fraction form
    15,406,151.12/21,260,228.72 = 8,530,485.56/x
  3. Step 3: Cross multiply
    15,406,151.12x = 21,260,228.72 × 8,530,485.56
  4. Step 4: Simplify right side
    15,406,151.12x = 181,360,074,098,257.28
  5. Step 5: Solve for x
    x = 181,360,074,098,257.28/15,406,151.12
  6. Step 6: Final answer
    x = 11,771,926.21

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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.