Home / 18,697,202.40-28,045,803.60-8,462,042.40

Finding the Fourth Proportional to 18,697,202.40, 28,045,803.60 and 8,462,042.40

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Solution

The fourth proportional to 18,697,202.40, 28,045,803.60 and 8,462,042.40 is: 12,693,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697,202.40 : 28,045,803.60 = 8,462,042.40 : x
  2. Step 2: Convert to fraction form
    18,697,202.40/28,045,803.60 = 8,462,042.40/x
  3. Step 3: Cross multiply
    18,697,202.40x = 28,045,803.60 × 8,462,042.40
  4. Step 4: Simplify right side
    18,697,202.40x = 237,324,779,205,272.66
  5. Step 5: Solve for x
    x = 237,324,779,205,272.66/18,697,202.40
  6. Step 6: Final answer
    x = 12,693,063.60

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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.