Home / 15,642,650.49-21,586,530.83-8,578,141.53

Finding the Fourth Proportional to 15,642,650.49, 21,586,530.83 and 8,578,141.53

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Solution

The fourth proportional to 15,642,650.49, 21,586,530.83 and 8,578,141.53 is: 11,837,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,650.49 : 21,586,530.83 = 8,578,141.53 : x
  2. Step 2: Convert to fraction form
    15,642,650.49/21,586,530.83 = 8,578,141.53/x
  3. Step 3: Cross multiply
    15,642,650.49x = 21,586,530.83 × 8,578,141.53
  4. Step 4: Simplify right side
    15,642,650.49x = 185,172,316,558,557.66
  5. Step 5: Solve for x
    x = 185,172,316,558,557.66/15,642,650.49
  6. Step 6: Final answer
    x = 11,837,656.07

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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.