Home / 13,238,671.52-18,270,846-8,014,558.20

Finding the Fourth Proportional to 13,238,671.52, 18,270,846 and 8,014,558.20

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Solution

The fourth proportional to 13,238,671.52, 18,270,846 and 8,014,558.20 is: 11,060,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,671.52 : 18,270,846 = 8,014,558.20 : x
  2. Step 2: Convert to fraction form
    13,238,671.52/18,270,846 = 8,014,558.20/x
  3. Step 3: Cross multiply
    13,238,671.52x = 18,270,846 × 8,014,558.20
  4. Step 4: Simplify right side
    13,238,671.52x = 146,432,758,630,237.22
  5. Step 5: Solve for x
    x = 146,432,758,630,237.22/13,238,671.52
  6. Step 6: Final answer
    x = 11,060,985.87

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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.