Home / 14,178,653.70-21,267,980.55-6,620,381.70

Finding the Fourth Proportional to 14,178,653.70, 21,267,980.55 and 6,620,381.70

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Solution

The fourth proportional to 14,178,653.70, 21,267,980.55 and 6,620,381.70 is: 9,930,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,653.70 : 21,267,980.55 = 6,620,381.70 : x
  2. Step 2: Convert to fraction form
    14,178,653.70/21,267,980.55 = 6,620,381.70/x
  3. Step 3: Cross multiply
    14,178,653.70x = 21,267,980.55 × 6,620,381.70
  4. Step 4: Simplify right side
    14,178,653.70x = 140,802,149,229,175.94
  5. Step 5: Solve for x
    x = 140,802,149,229,175.94/14,178,653.70
  6. Step 6: Final answer
    x = 9,930,572.55

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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.