Home / 28,942,245.60-43,413,368.40-11,915,138.40

Finding the Fourth Proportional to 28,942,245.60, 43,413,368.40 and 11,915,138.40

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Solution

The fourth proportional to 28,942,245.60, 43,413,368.40 and 11,915,138.40 is: 17,872,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942,245.60 : 43,413,368.40 = 11,915,138.40 : x
  2. Step 2: Convert to fraction form
    28,942,245.60/43,413,368.40 = 11,915,138.40/x
  3. Step 3: Cross multiply
    28,942,245.60x = 43,413,368.40 × 11,915,138.40
  4. Step 4: Simplify right side
    28,942,245.60x = 517,276,292,896,186.56
  5. Step 5: Solve for x
    x = 517,276,292,896,186.56/28,942,245.60
  6. Step 6: Final answer
    x = 17,872,707.60

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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.