Home / 8,620,946.80-12,930,951.40-2,637,314.80

Finding the Fourth Proportional to 8,620,946.80, 12,930,951.40 and 2,637,314.80

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Solution

The fourth proportional to 8,620,946.80, 12,930,951.40 and 2,637,314.80 is: 3,955,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,946.80 : 12,930,951.40 = 2,637,314.80 : x
  2. Step 2: Convert to fraction form
    8,620,946.80/12,930,951.40 = 2,637,314.80/x
  3. Step 3: Cross multiply
    8,620,946.80x = 12,930,951.40 × 2,637,314.80
  4. Step 4: Simplify right side
    8,620,946.80x = 34,102,989,505,300.72
  5. Step 5: Solve for x
    x = 34,102,989,505,300.72/8,620,946.80
  6. Step 6: Final answer
    x = 3,955,828.78

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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.