Home / 14,573,631.80-21,860,447.70-12,936,006.20

Finding the Fourth Proportional to 14,573,631.80, 21,860,447.70 and 12,936,006.20

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Solution

The fourth proportional to 14,573,631.80, 21,860,447.70 and 12,936,006.20 is: 19,404,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573,631.80 : 21,860,447.70 = 12,936,006.20 : x
  2. Step 2: Convert to fraction form
    14,573,631.80/21,860,447.70 = 12,936,006.20/x
  3. Step 3: Cross multiply
    14,573,631.80x = 21,860,447.70 × 12,936,006.20
  4. Step 4: Simplify right side
    14,573,631.80x = 282,786,886,981,975.69
  5. Step 5: Solve for x
    x = 282,786,886,981,975.69/14,573,631.80
  6. Step 6: Final answer
    x = 19,404,009.30

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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.