Home / 12,602,392.74-18,906,953.06-4,516,185.78

Finding the Fourth Proportional to 12,602,392.74, 18,906,953.06 and 4,516,185.78

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Solution

The fourth proportional to 12,602,392.74, 18,906,953.06 and 4,516,185.78 is: 6,775,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,392.74 : 18,906,953.06 = 4,516,185.78 : x
  2. Step 2: Convert to fraction form
    12,602,392.74/18,906,953.06 = 4,516,185.78/x
  3. Step 3: Cross multiply
    12,602,392.74x = 18,906,953.06 × 4,516,185.78
  4. Step 4: Simplify right side
    12,602,392.74x = 85,387,312,530,118.56
  5. Step 5: Solve for x
    x = 85,387,312,530,118.56/12,602,392.74
  6. Step 6: Final answer
    x = 6,775,484.17

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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.