Home / 21,192,527.18-29,243,688.58-11,898,282.02

Finding the Fourth Proportional to 21,192,527.18, 29,243,688.58 and 11,898,282.02

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Solution

The fourth proportional to 21,192,527.18, 29,243,688.58 and 11,898,282.02 is: 16,418,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,527.18 : 29,243,688.58 = 11,898,282.02 : x
  2. Step 2: Convert to fraction form
    21,192,527.18/29,243,688.58 = 11,898,282.02/x
  3. Step 3: Cross multiply
    21,192,527.18x = 29,243,688.58 × 11,898,282.02
  4. Step 4: Simplify right side
    21,192,527.18x = 347,949,653,983,812.06
  5. Step 5: Solve for x
    x = 347,949,653,983,812.06/21,192,527.18
  6. Step 6: Final answer
    x = 16,418,506.91

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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.