Home / 30,885,619.66-42,625,935.01-17,832,856.66

Finding the Fourth Proportional to 30,885,619.66, 42,625,935.01 and 17,832,856.66

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Solution

The fourth proportional to 30,885,619.66, 42,625,935.01 and 17,832,856.66 is: 24,611,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,619.66 : 42,625,935.01 = 17,832,856.66 : x
  2. Step 2: Convert to fraction form
    30,885,619.66/42,625,935.01 = 17,832,856.66/x
  3. Step 3: Cross multiply
    30,885,619.66x = 42,625,935.01 × 17,832,856.66
  4. Step 4: Simplify right side
    30,885,619.66x = 760,142,189,031,805.62
  5. Step 5: Solve for x
    x = 760,142,189,031,805.62/30,885,619.66
  6. Step 6: Final answer
    x = 24,611,524.63

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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.