Home / 25,823,999.20-38,735,998.80-12,387,071.20

Finding the Fourth Proportional to 25,823,999.20, 38,735,998.80 and 12,387,071.20

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Solution

The fourth proportional to 25,823,999.20, 38,735,998.80 and 12,387,071.20 is: 18,580,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823,999.20 : 38,735,998.80 = 12,387,071.20 : x
  2. Step 2: Convert to fraction form
    25,823,999.20/38,735,998.80 = 12,387,071.20/x
  3. Step 3: Cross multiply
    25,823,999.20x = 38,735,998.80 × 12,387,071.20
  4. Step 4: Simplify right side
    25,823,999.20x = 479,825,575,138,714.50
  5. Step 5: Solve for x
    x = 479,825,575,138,714.50/25,823,999.20
  6. Step 6: Final answer
    x = 18,580,606.80

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1.5x scale

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.