Home / 12,185,663.36-16,815,929.28-6,753,038.72

Finding the Fourth Proportional to 12,185,663.36, 16,815,929.28 and 6,753,038.72

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Solution

The fourth proportional to 12,185,663.36, 16,815,929.28 and 6,753,038.72 is: 9,319,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185,663.36 : 16,815,929.28 = 6,753,038.72 : x
  2. Step 2: Convert to fraction form
    12,185,663.36/16,815,929.28 = 6,753,038.72/x
  3. Step 3: Cross multiply
    12,185,663.36x = 16,815,929.28 × 6,753,038.72
  4. Step 4: Simplify right side
    12,185,663.36x = 113,558,621,540,621.72
  5. Step 5: Solve for x
    x = 113,558,621,540,621.72/12,185,663.36
  6. Step 6: Final answer
    x = 9,319,034.85

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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.