Home / 14,005,838.89-19,328,018.80-7,810,891.44

Finding the Fourth Proportional to 14,005,838.89, 19,328,018.80 and 7,810,891.44

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Solution

The fourth proportional to 14,005,838.89, 19,328,018.80 and 7,810,891.44 is: 10,779,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,838.89 : 19,328,018.80 = 7,810,891.44 : x
  2. Step 2: Convert to fraction form
    14,005,838.89/19,328,018.80 = 7,810,891.44/x
  3. Step 3: Cross multiply
    14,005,838.89x = 19,328,018.80 × 7,810,891.44
  4. Step 4: Simplify right side
    14,005,838.89x = 150,969,056,597,079.09
  5. Step 5: Solve for x
    x = 150,969,056,597,079.09/14,005,838.89
  6. Step 6: Final answer
    x = 10,779,008.51

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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.