Home / 42,580,405.96-63,869,686.74-11,874,165.96

Finding the Fourth Proportional to 42,580,405.96, 63,869,686.74 and 11,874,165.96

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Solution

The fourth proportional to 42,580,405.96, 63,869,686.74 and 11,874,165.96 is: 17,810,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,405.96 : 63,869,686.74 = 11,874,165.96 : x
  2. Step 2: Convert to fraction form
    42,580,405.96/63,869,686.74 = 11,874,165.96/x
  3. Step 3: Cross multiply
    42,580,405.96x = 63,869,686.74 × 11,874,165.96
  4. Step 4: Simplify right side
    42,580,405.96x = 758,399,260,163,971.50
  5. Step 5: Solve for x
    x = 758,399,260,163,971.50/42,580,405.96
  6. Step 6: Final answer
    x = 17,810,991.77

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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.