Home / 30,499,328.70-45,784,422.45-18,382,473.90

Finding the Fourth Proportional to 30,499,328.70, 45,784,422.45 and 18,382,473.90

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Solution

The fourth proportional to 30,499,328.70, 45,784,422.45 and 18,382,473.90 is: 27,595,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499,328.70 : 45,784,422.45 = 18,382,473.90 : x
  2. Step 2: Convert to fraction form
    30,499,328.70/45,784,422.45 = 18,382,473.90/x
  3. Step 3: Cross multiply
    30,499,328.70x = 45,784,422.45 × 18,382,473.90
  4. Step 4: Simplify right side
    30,499,328.70x = 841,630,950,713,699
  5. Step 5: Solve for x
    x = 841,630,950,713,699/30,499,328.70
  6. Step 6: Final answer
    x = 27,595,064.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.