Home / 21,343,871.70-29,454,509.04-11,554,313.28

Finding the Fourth Proportional to 21,343,871.70, 29,454,509.04 and 11,554,313.28

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Solution

The fourth proportional to 21,343,871.70, 29,454,509.04 and 11,554,313.28 is: 15,944,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,871.70 : 29,454,509.04 = 11,554,313.28 : x
  2. Step 2: Convert to fraction form
    21,343,871.70/29,454,509.04 = 11,554,313.28/x
  3. Step 3: Cross multiply
    21,343,871.70x = 29,454,509.04 × 11,554,313.28
  4. Step 4: Simplify right side
    21,343,871.70x = 340,326,624,956,752
  5. Step 5: Solve for x
    x = 340,326,624,956,752/21,343,871.70
  6. Step 6: Final answer
    x = 15,944,933.97

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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.