Home / 12,619,559.76-18,921,058.20-4,528,476.24

Finding the Fourth Proportional to 12,619,559.76, 18,921,058.20 and 4,528,476.24

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Solution

The fourth proportional to 12,619,559.76, 18,921,058.20 and 4,528,476.24 is: 6,789,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,559.76 : 18,921,058.20 = 4,528,476.24 : x
  2. Step 2: Convert to fraction form
    12,619,559.76/18,921,058.20 = 4,528,476.24/x
  3. Step 3: Cross multiply
    12,619,559.76x = 18,921,058.20 × 4,528,476.24
  4. Step 4: Simplify right side
    12,619,559.76x = 85,683,562,494,357.17
  5. Step 5: Solve for x
    x = 85,683,562,494,357.17/12,619,559.76
  6. Step 6: Final answer
    x = 6,789,742.60

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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.