Home / 14,807,890.80-22,195,247.40-8,421,202.80

Finding the Fourth Proportional to 14,807,890.80, 22,195,247.40 and 8,421,202.80

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Solution

The fourth proportional to 14,807,890.80, 22,195,247.40 and 8,421,202.80 is: 12,622,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807,890.80 : 22,195,247.40 = 8,421,202.80 : x
  2. Step 2: Convert to fraction form
    14,807,890.80/22,195,247.40 = 8,421,202.80/x
  3. Step 3: Cross multiply
    14,807,890.80x = 22,195,247.40 × 8,421,202.80
  4. Step 4: Simplify right side
    14,807,890.80x = 186,910,679,551,572.72
  5. Step 5: Solve for x
    x = 186,910,679,551,572.72/14,807,890.80
  6. Step 6: Final answer
    x = 12,622,370.20

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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.