Home / 8,473,930.80-12,710,896.20-7,851,850.80

Finding the Fourth Proportional to 8,473,930.80, 12,710,896.20 and 7,851,850.80

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Solution

The fourth proportional to 8,473,930.80, 12,710,896.20 and 7,851,850.80 is: 11,777,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,930.80 : 12,710,896.20 = 7,851,850.80 : x
  2. Step 2: Convert to fraction form
    8,473,930.80/12,710,896.20 = 7,851,850.80/x
  3. Step 3: Cross multiply
    8,473,930.80x = 12,710,896.20 × 7,851,850.80
  4. Step 4: Simplify right side
    8,473,930.80x = 99,804,060,496,686.95
  5. Step 5: Solve for x
    x = 99,804,060,496,686.95/8,473,930.80
  6. Step 6: Final answer
    x = 11,777,776.20

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1.5x scale

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.