Home / 18,402,458.20-27,603,687.30-6,285,603.40

Finding the Fourth Proportional to 18,402,458.20, 27,603,687.30 and 6,285,603.40

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Solution

The fourth proportional to 18,402,458.20, 27,603,687.30 and 6,285,603.40 is: 9,428,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,458.20 : 27,603,687.30 = 6,285,603.40 : x
  2. Step 2: Convert to fraction form
    18,402,458.20/27,603,687.30 = 6,285,603.40/x
  3. Step 3: Cross multiply
    18,402,458.20x = 27,603,687.30 × 6,285,603.40
  4. Step 4: Simplify right side
    18,402,458.20x = 173,505,830,745,416.84
  5. Step 5: Solve for x
    x = 173,505,830,745,416.84/18,402,458.20
  6. Step 6: Final answer
    x = 9,428,405.10

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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.