Home / 28,973,998.60-43,460,997.90-11,929,006.60

Finding the Fourth Proportional to 28,973,998.60, 43,460,997.90 and 11,929,006.60

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Solution

The fourth proportional to 28,973,998.60, 43,460,997.90 and 11,929,006.60 is: 17,893,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,998.60 : 43,460,997.90 = 11,929,006.60 : x
  2. Step 2: Convert to fraction form
    28,973,998.60/43,460,997.90 = 11,929,006.60/x
  3. Step 3: Cross multiply
    28,973,998.60x = 43,460,997.90 × 11,929,006.60
  4. Step 4: Simplify right side
    28,973,998.60x = 518,446,530,791,686.12
  5. Step 5: Solve for x
    x = 518,446,530,791,686.12/28,973,998.60
  6. Step 6: Final answer
    x = 17,893,509.90

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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.