Home / 13,885,243.16-19,164,822.80-9,239,220.45

Finding the Fourth Proportional to 13,885,243.16, 19,164,822.80 and 9,239,220.45

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Solution

The fourth proportional to 13,885,243.16, 19,164,822.80 and 9,239,220.45 is: 12,752,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,243.16 : 19,164,822.80 = 9,239,220.45 : x
  2. Step 2: Convert to fraction form
    13,885,243.16/19,164,822.80 = 9,239,220.45/x
  3. Step 3: Cross multiply
    13,885,243.16x = 19,164,822.80 × 9,239,220.45
  4. Step 4: Simplify right side
    13,885,243.16x = 177,068,022,688,190.16
  5. Step 5: Solve for x
    x = 177,068,022,688,190.16/13,885,243.16
  6. Step 6: Final answer
    x = 12,752,245.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.