Home / 12,594,848.70-18,864,279.45-10,915,232.70

Finding the Fourth Proportional to 12,594,848.70, 18,864,279.45 and 10,915,232.70

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Solution

The fourth proportional to 12,594,848.70, 18,864,279.45 and 10,915,232.70 is: 16,348,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594,848.70 : 18,864,279.45 = 10,915,232.70 : x
  2. Step 2: Convert to fraction form
    12,594,848.70/18,864,279.45 = 10,915,232.70/x
  3. Step 3: Cross multiply
    12,594,848.70x = 18,864,279.45 × 10,915,232.70
  4. Step 4: Simplify right side
    12,594,848.70x = 205,907,999,914,578
  5. Step 5: Solve for x
    x = 205,907,999,914,578/12,594,848.70
  6. Step 6: Final answer
    x = 16,348,588.60

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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.