Home / 21,382,892-32,077,539.84-7,739,230.80

Finding the Fourth Proportional to 21,382,892, 32,077,539.84 and 7,739,230.80

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Solution

The fourth proportional to 21,382,892, 32,077,539.84 and 7,739,230.80 is: 11,610,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382,892 : 32,077,539.84 = 7,739,230.80 : x
  2. Step 2: Convert to fraction form
    21,382,892/32,077,539.84 = 7,739,230.80/x
  3. Step 3: Cross multiply
    21,382,892x = 32,077,539.84 × 7,739,230.80
  4. Step 4: Simplify right side
    21,382,892x = 248,255,484,317,955.06
  5. Step 5: Solve for x
    x = 248,255,484,317,955.06/21,382,892
  6. Step 6: Final answer
    x = 11,610,005.06

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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.