Home / 28,809,124.60-43,108,710.90-21,250,852.60

Finding the Fourth Proportional to 28,809,124.60, 43,108,710.90 and 21,250,852.60

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Solution

The fourth proportional to 28,809,124.60, 43,108,710.90 and 21,250,852.60 is: 31,798,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809,124.60 : 43,108,710.90 = 21,250,852.60 : x
  2. Step 2: Convert to fraction form
    28,809,124.60/43,108,710.90 = 21,250,852.60/x
  3. Step 3: Cross multiply
    28,809,124.60x = 43,108,710.90 × 21,250,852.60
  4. Step 4: Simplify right side
    28,809,124.60x = 916,096,861,111,913.38
  5. Step 5: Solve for x
    x = 916,096,861,111,913.38/28,809,124.60
  6. Step 6: Final answer
    x = 31,798,844.08

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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.