Home / 12,051,624.78-16,636,331.54-8,136,684.29

Finding the Fourth Proportional to 12,051,624.78, 16,636,331.54 and 8,136,684.29

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Solution

The fourth proportional to 12,051,624.78, 16,636,331.54 and 8,136,684.29 is: 11,232,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,624.78 : 16,636,331.54 = 8,136,684.29 : x
  2. Step 2: Convert to fraction form
    12,051,624.78/16,636,331.54 = 8,136,684.29/x
  3. Step 3: Cross multiply
    12,051,624.78x = 16,636,331.54 × 8,136,684.29
  4. Step 4: Simplify right side
    12,051,624.78x = 135,364,577,546,682.06
  5. Step 5: Solve for x
    x = 135,364,577,546,682.06/12,051,624.78
  6. Step 6: Final answer
    x = 11,232,060.41

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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.