Home / 18,398,511.20-27,597,766.80-6,281,656.40

Finding the Fourth Proportional to 18,398,511.20, 27,597,766.80 and 6,281,656.40

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Solution

The fourth proportional to 18,398,511.20, 27,597,766.80 and 6,281,656.40 is: 9,422,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,511.20 : 27,597,766.80 = 6,281,656.40 : x
  2. Step 2: Convert to fraction form
    18,398,511.20/27,597,766.80 = 6,281,656.40/x
  3. Step 3: Cross multiply
    18,398,511.20x = 27,597,766.80 × 6,281,656.40
  4. Step 4: Simplify right side
    18,398,511.20x = 173,359,688,444,927.53
  5. Step 5: Solve for x
    x = 173,359,688,444,927.53/18,398,511.20
  6. Step 6: Final answer
    x = 9,422,484.60

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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.