Home / 13,109,865.60-19,671,848.64-12,632,687.04

Finding the Fourth Proportional to 13,109,865.60, 19,671,848.64 and 12,632,687.04

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Solution

The fourth proportional to 13,109,865.60, 19,671,848.64 and 12,632,687.04 is: 18,955,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,865.60 : 19,671,848.64 = 12,632,687.04 : x
  2. Step 2: Convert to fraction form
    13,109,865.60/19,671,848.64 = 12,632,687.04/x
  3. Step 3: Cross multiply
    13,109,865.60x = 19,671,848.64 × 12,632,687.04
  4. Step 4: Simplify right side
    13,109,865.60x = 248,508,307,367,369.62
  5. Step 5: Solve for x
    x = 248,508,307,367,369.62/13,109,865.60
  6. Step 6: Final answer
    x = 18,955,824.18

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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.