Home / 40,587,228.30-60,889,456.80-13,291,504.86

Finding the Fourth Proportional to 40,587,228.30, 60,889,456.80 and 13,291,504.86

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Solution

The fourth proportional to 40,587,228.30, 60,889,456.80 and 13,291,504.86 is: 19,940,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,587,228.30 : 60,889,456.80 = 13,291,504.86 : x
  2. Step 2: Convert to fraction form
    40,587,228.30/60,889,456.80 = 13,291,504.86/x
  3. Step 3: Cross multiply
    40,587,228.30x = 60,889,456.80 × 13,291,504.86
  4. Step 4: Simplify right side
    40,587,228.30x = 809,312,510,979,960
  5. Step 5: Solve for x
    x = 809,312,510,979,960/40,587,228.30
  6. Step 6: Final answer
    x = 19,940,078.32

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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.