Home / 27,148,817.31-40,668,701.42-12,555,281.37

Finding the Fourth Proportional to 27,148,817.31, 40,668,701.42 and 12,555,281.37

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Solution

The fourth proportional to 27,148,817.31, 40,668,701.42 and 12,555,281.37 is: 18,807,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148,817.31 : 40,668,701.42 = 12,555,281.37 : x
  2. Step 2: Convert to fraction form
    27,148,817.31/40,668,701.42 = 12,555,281.37/x
  3. Step 3: Cross multiply
    27,148,817.31x = 40,668,701.42 × 12,555,281.37
  4. Step 4: Simplify right side
    27,148,817.31x = 510,606,989,217,842.12
  5. Step 5: Solve for x
    x = 510,606,989,217,842.12/27,148,817.31
  6. Step 6: Final answer
    x = 18,807,706.55

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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.