Home / 28,881,554.15-43,336,343.82-12,705,403.52

Finding the Fourth Proportional to 28,881,554.15, 43,336,343.82 and 12,705,403.52

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Solution

The fourth proportional to 28,881,554.15, 43,336,343.82 and 12,705,403.52 is: 19,064,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,554.15 : 43,336,343.82 = 12,705,403.52 : x
  2. Step 2: Convert to fraction form
    28,881,554.15/43,336,343.82 = 12,705,403.52/x
  3. Step 3: Cross multiply
    28,881,554.15x = 43,336,343.82 × 12,705,403.52
  4. Step 4: Simplify right side
    28,881,554.15x = 550,605,735,314,558.25
  5. Step 5: Solve for x
    x = 550,605,735,314,558.25/28,881,554.15
  6. Step 6: Final answer
    x = 19,064,269.62

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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.