Home / 54,324,005.10-81,486,007.65-17,938,011.30

Finding the Fourth Proportional to 54,324,005.10, 81,486,007.65 and 17,938,011.30

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Solution

The fourth proportional to 54,324,005.10, 81,486,007.65 and 17,938,011.30 is: 26,907,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324,005.10 : 81,486,007.65 = 17,938,011.30 : x
  2. Step 2: Convert to fraction form
    54,324,005.10/81,486,007.65 = 17,938,011.30/x
  3. Step 3: Cross multiply
    54,324,005.10x = 81,486,007.65 × 17,938,011.30
  4. Step 4: Simplify right side
    54,324,005.10x = 1,461,696,926,017,586.50
  5. Step 5: Solve for x
    x = 1,461,696,926,017,586.50/54,324,005.10
  6. Step 6: Final answer
    x = 26,907,016.95

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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.