Home / 8,171,641.73-11,276,031.06-5,031,406.73

Finding the Fourth Proportional to 8,171,641.73, 11,276,031.06 and 5,031,406.73

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Solution

The fourth proportional to 8,171,641.73, 11,276,031.06 and 5,031,406.73 is: 6,942,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,641.73 : 11,276,031.06 = 5,031,406.73 : x
  2. Step 2: Convert to fraction form
    8,171,641.73/11,276,031.06 = 5,031,406.73/x
  3. Step 3: Cross multiply
    8,171,641.73x = 11,276,031.06 × 5,031,406.73
  4. Step 4: Simplify right side
    8,171,641.73x = 56,734,298,506,592.88
  5. Step 5: Solve for x
    x = 56,734,298,506,592.88/8,171,641.73
  6. Step 6: Final answer
    x = 6,942,827.45

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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.