Home / 7,712,830.80-11,569,246.20-4,885,477.20

Finding the Fourth Proportional to 7,712,830.80, 11,569,246.20 and 4,885,477.20

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Solution

The fourth proportional to 7,712,830.80, 11,569,246.20 and 4,885,477.20 is: 7,328,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712,830.80 : 11,569,246.20 = 4,885,477.20 : x
  2. Step 2: Convert to fraction form
    7,712,830.80/11,569,246.20 = 4,885,477.20/x
  3. Step 3: Cross multiply
    7,712,830.80x = 11,569,246.20 × 4,885,477.20
  4. Step 4: Simplify right side
    7,712,830.80x = 56,521,288,531,286.64
  5. Step 5: Solve for x
    x = 56,521,288,531,286.64/7,712,830.80
  6. Step 6: Final answer
    x = 7,328,215.80

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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.