Home / 14,146,145.12-21,176,923.84-8,663,978.32

Finding the Fourth Proportional to 14,146,145.12, 21,176,923.84 and 8,663,978.32

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Solution

The fourth proportional to 14,146,145.12, 21,176,923.84 and 8,663,978.32 is: 12,970,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146,145.12 : 21,176,923.84 = 8,663,978.32 : x
  2. Step 2: Convert to fraction form
    14,146,145.12/21,176,923.84 = 8,663,978.32/x
  3. Step 3: Cross multiply
    14,146,145.12x = 21,176,923.84 × 8,663,978.32
  4. Step 4: Simplify right side
    14,146,145.12x = 183,476,408,959,448.91
  5. Step 5: Solve for x
    x = 183,476,408,959,448.91/14,146,145.12
  6. Step 6: Final answer
    x = 12,970,064.10

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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.