Home / 14,198,180.20-21,284,828.70-8,520,663.40

Finding the Fourth Proportional to 14,198,180.20, 21,284,828.70 and 8,520,663.40

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Solution

The fourth proportional to 14,198,180.20, 21,284,828.70 and 8,520,663.40 is: 12,773,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198,180.20 : 21,284,828.70 = 8,520,663.40 : x
  2. Step 2: Convert to fraction form
    14,198,180.20/21,284,828.70 = 8,520,663.40/x
  3. Step 3: Cross multiply
    14,198,180.20x = 21,284,828.70 × 8,520,663.40
  4. Step 4: Simplify right side
    14,198,180.20x = 181,360,860,879,359.59
  5. Step 5: Solve for x
    x = 181,360,860,879,359.59/14,198,180.20
  6. Step 6: Final answer
    x = 12,773,528.60

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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.