Home / 12,163,237.40-18,244,856.10-6,398,086.70

Finding the Fourth Proportional to 12,163,237.40, 18,244,856.10 and 6,398,086.70

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Solution

The fourth proportional to 12,163,237.40, 18,244,856.10 and 6,398,086.70 is: 9,597,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163,237.40 : 18,244,856.10 = 6,398,086.70 : x
  2. Step 2: Convert to fraction form
    12,163,237.40/18,244,856.10 = 6,398,086.70/x
  3. Step 3: Cross multiply
    12,163,237.40x = 18,244,856.10 × 6,398,086.70
  4. Step 4: Simplify right side
    12,163,237.40x = 116,732,171,156,823.89
  5. Step 5: Solve for x
    x = 116,732,171,156,823.89/12,163,237.40
  6. Step 6: Final answer
    x = 9,597,130.05

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1.5x scale

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.