Home / 28,881,538.83-43,336,320.87-12,705,388.24

Finding the Fourth Proportional to 28,881,538.83, 43,336,320.87 and 12,705,388.24

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Solution

The fourth proportional to 28,881,538.83, 43,336,320.87 and 12,705,388.24 is: 19,064,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,538.83 : 43,336,320.87 = 12,705,388.24 : x
  2. Step 2: Convert to fraction form
    28,881,538.83/43,336,320.87 = 12,705,388.24/x
  3. Step 3: Cross multiply
    28,881,538.83x = 43,336,320.87 × 12,705,388.24
  4. Step 4: Simplify right side
    28,881,538.83x = 550,604,781,546,564.56
  5. Step 5: Solve for x
    x = 550,604,781,546,564.56/28,881,538.83
  6. Step 6: Final answer
    x = 19,064,246.71

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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.