Home / 12,724,905.22-19,156,571.09-11,594,948.74

Finding the Fourth Proportional to 12,724,905.22, 19,156,571.09 and 11,594,948.74

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Solution

The fourth proportional to 12,724,905.22, 19,156,571.09 and 11,594,948.74 is: 17,455,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724,905.22 : 19,156,571.09 = 11,594,948.74 : x
  2. Step 2: Convert to fraction form
    12,724,905.22/19,156,571.09 = 11,594,948.74/x
  3. Step 3: Cross multiply
    12,724,905.22x = 19,156,571.09 × 11,594,948.74
  4. Step 4: Simplify right side
    12,724,905.22x = 222,119,459,822,715.94
  5. Step 5: Solve for x
    x = 222,119,459,822,715.94/12,724,905.22
  6. Step 6: Final answer
    x = 17,455,490.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.