Home / 12,635,924.64-18,953,872.08-4,116,247.20

Finding the Fourth Proportional to 12,635,924.64, 18,953,872.08 and 4,116,247.20

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Solution

The fourth proportional to 12,635,924.64, 18,953,872.08 and 4,116,247.20 is: 6,174,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,924.64 : 18,953,872.08 = 4,116,247.20 : x
  2. Step 2: Convert to fraction form
    12,635,924.64/18,953,872.08 = 4,116,247.20/x
  3. Step 3: Cross multiply
    12,635,924.64x = 18,953,872.08 × 4,116,247.20
  4. Step 4: Simplify right side
    12,635,924.64x = 78,018,822,878,458.17
  5. Step 5: Solve for x
    x = 78,018,822,878,458.17/12,635,924.64
  6. Step 6: Final answer
    x = 6,174,365.95

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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.