Home / 12,938,374.53-19,405,505.11-4,301,756.61

Finding the Fourth Proportional to 12,938,374.53, 19,405,505.11 and 4,301,756.61

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Solution

The fourth proportional to 12,938,374.53, 19,405,505.11 and 4,301,756.61 is: 6,451,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,374.53 : 19,405,505.11 = 4,301,756.61 : x
  2. Step 2: Convert to fraction form
    12,938,374.53/19,405,505.11 = 4,301,756.61/x
  3. Step 3: Cross multiply
    12,938,374.53x = 19,405,505.11 × 4,301,756.61
  4. Step 4: Simplify right side
    12,938,374.53x = 83,477,759,877,331.28
  5. Step 5: Solve for x
    x = 83,477,759,877,331.28/12,938,374.53
  6. Step 6: Final answer
    x = 6,451,951.11

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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.