Home / 8,421,083.40-12,631,625.10-3,035,814.60

Finding the Fourth Proportional to 8,421,083.40, 12,631,625.10 and 3,035,814.60

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Solution

The fourth proportional to 8,421,083.40, 12,631,625.10 and 3,035,814.60 is: 4,553,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,083.40 : 12,631,625.10 = 3,035,814.60 : x
  2. Step 2: Convert to fraction form
    8,421,083.40/12,631,625.10 = 3,035,814.60/x
  3. Step 3: Cross multiply
    8,421,083.40x = 12,631,625.10 × 3,035,814.60
  4. Step 4: Simplify right side
    8,421,083.40x = 38,347,271,900,306.46
  5. Step 5: Solve for x
    x = 38,347,271,900,306.46/8,421,083.40
  6. Step 6: Final answer
    x = 4,553,721.90

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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.