Home / 14,375,754.78-19,839,345.02-7,849,989.78

Finding the Fourth Proportional to 14,375,754.78, 19,839,345.02 and 7,849,989.78

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Solution

The fourth proportional to 14,375,754.78, 19,839,345.02 and 7,849,989.78 is: 10,833,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375,754.78 : 19,839,345.02 = 7,849,989.78 : x
  2. Step 2: Convert to fraction form
    14,375,754.78/19,839,345.02 = 7,849,989.78/x
  3. Step 3: Cross multiply
    14,375,754.78x = 19,839,345.02 × 7,849,989.78
  4. Step 4: Simplify right side
    14,375,754.78x = 155,738,655,648,893.91
  5. Step 5: Solve for x
    x = 155,738,655,648,893.91/14,375,754.78
  6. Step 6: Final answer
    x = 10,833,424.61

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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.