Home / 21,450,738.24-32,133,026.16-9,920,043.36

Finding the Fourth Proportional to 21,450,738.24, 32,133,026.16 and 9,920,043.36

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Solution

The fourth proportional to 21,450,738.24, 32,133,026.16 and 9,920,043.36 is: 14,860,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450,738.24 : 32,133,026.16 = 9,920,043.36 : x
  2. Step 2: Convert to fraction form
    21,450,738.24/32,133,026.16 = 9,920,043.36/x
  3. Step 3: Cross multiply
    21,450,738.24x = 32,133,026.16 × 9,920,043.36
  4. Step 4: Simplify right side
    21,450,738.24x = 318,761,012,795,214.25
  5. Step 5: Solve for x
    x = 318,761,012,795,214.25/21,450,738.24
  6. Step 6: Final answer
    x = 14,860,141.84

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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.