Home / 13,208,570.20-19,812,855.30-4,689,767.80

Finding the Fourth Proportional to 13,208,570.20, 19,812,855.30 and 4,689,767.80

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Solution

The fourth proportional to 13,208,570.20, 19,812,855.30 and 4,689,767.80 is: 7,034,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,570.20 : 19,812,855.30 = 4,689,767.80 : x
  2. Step 2: Convert to fraction form
    13,208,570.20/19,812,855.30 = 4,689,767.80/x
  3. Step 3: Cross multiply
    13,208,570.20x = 19,812,855.30 × 4,689,767.80
  4. Step 4: Simplify right side
    13,208,570.20x = 92,917,690,811,999.34
  5. Step 5: Solve for x
    x = 92,917,690,811,999.34/13,208,570.20
  6. Step 6: Final answer
    x = 7,034,651.70

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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.