Home / 21,849,051-30,151,690.38-12,191,259

Finding the Fourth Proportional to 21,849,051, 30,151,690.38 and 12,191,259

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Solution

The fourth proportional to 21,849,051, 30,151,690.38 and 12,191,259 is: 16,823,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,051 : 30,151,690.38 = 12,191,259 : x
  2. Step 2: Convert to fraction form
    21,849,051/30,151,690.38 = 12,191,259/x
  3. Step 3: Cross multiply
    21,849,051x = 30,151,690.38 × 12,191,259
  4. Step 4: Simplify right side
    21,849,051x = 367,587,066,710,388.44
  5. Step 5: Solve for x
    x = 367,587,066,710,388.44/21,849,051
  6. Step 6: Final answer
    x = 16,823,937.42

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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.