Home / 21,119,976-29,145,566.88-11,462,184

Finding the Fourth Proportional to 21,119,976, 29,145,566.88 and 11,462,184

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Solution

The fourth proportional to 21,119,976, 29,145,566.88 and 11,462,184 is: 15,817,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,119,976 : 29,145,566.88 = 11,462,184 : x
  2. Step 2: Convert to fraction form
    21,119,976/29,145,566.88 = 11,462,184/x
  3. Step 3: Cross multiply
    21,119,976x = 29,145,566.88 × 11,462,184
  4. Step 4: Simplify right side
    21,119,976x = 334,071,850,362,865.94
  5. Step 5: Solve for x
    x = 334,071,850,362,865.94/21,119,976
  6. Step 6: Final answer
    x = 15,817,813.92

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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.