Home / 21,116,303.70-31,686,437.70-11,400,787.23

Finding the Fourth Proportional to 21,116,303.70, 31,686,437.70 and 11,400,787.23

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Solution

The fourth proportional to 21,116,303.70, 31,686,437.70 and 11,400,787.23 is: 17,107,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,303.70 : 31,686,437.70 = 11,400,787.23 : x
  2. Step 2: Convert to fraction form
    21,116,303.70/31,686,437.70 = 11,400,787.23/x
  3. Step 3: Cross multiply
    21,116,303.70x = 31,686,437.70 × 11,400,787.23
  4. Step 4: Simplify right side
    21,116,303.70x = 361,250,334,294,350.56
  5. Step 5: Solve for x
    x = 361,250,334,294,350.56/21,116,303.70
  6. Step 6: Final answer
    x = 17,107,650.06

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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.