Home / 28,739,461.60-43,109,192.40-26,387,999.20

Finding the Fourth Proportional to 28,739,461.60, 43,109,192.40 and 26,387,999.20

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Solution

The fourth proportional to 28,739,461.60, 43,109,192.40 and 26,387,999.20 is: 39,581,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,461.60 : 43,109,192.40 = 26,387,999.20 : x
  2. Step 2: Convert to fraction form
    28,739,461.60/43,109,192.40 = 26,387,999.20/x
  3. Step 3: Cross multiply
    28,739,461.60x = 43,109,192.40 × 26,387,999.20
  4. Step 4: Simplify right side
    28,739,461.60x = 1,137,565,334,563,846
  5. Step 5: Solve for x
    x = 1,137,565,334,563,846/28,739,461.60
  6. Step 6: Final answer
    x = 39,581,998.80

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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.