Home / 53,152,858.60-79,729,287.90-12,763,342.60

Finding the Fourth Proportional to 53,152,858.60, 79,729,287.90 and 12,763,342.60

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Solution

The fourth proportional to 53,152,858.60, 79,729,287.90 and 12,763,342.60 is: 19,145,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152,858.60 : 79,729,287.90 = 12,763,342.60 : x
  2. Step 2: Convert to fraction form
    53,152,858.60/79,729,287.90 = 12,763,342.60/x
  3. Step 3: Cross multiply
    53,152,858.60x = 79,729,287.90 × 12,763,342.60
  4. Step 4: Simplify right side
    53,152,858.60x = 1,017,612,216,721,734.62
  5. Step 5: Solve for x
    x = 1,017,612,216,721,734.62/53,152,858.60
  6. Step 6: Final answer
    x = 19,145,013.90

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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.