Home / 8,860,518.30-13,293,729.90-7,908,079.80

Finding the Fourth Proportional to 8,860,518.30, 13,293,729.90 and 7,908,079.80

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Solution

The fourth proportional to 8,860,518.30, 13,293,729.90 and 7,908,079.80 is: 11,864,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860,518.30 : 13,293,729.90 = 7,908,079.80 : x
  2. Step 2: Convert to fraction form
    8,860,518.30/13,293,729.90 = 7,908,079.80/x
  3. Step 3: Cross multiply
    8,860,518.30x = 13,293,729.90 × 7,908,079.80
  4. Step 4: Simplify right side
    8,860,518.30x = 105,127,876,888,846.02
  5. Step 5: Solve for x
    x = 105,127,876,888,846.02/8,860,518.30
  6. Step 6: Final answer
    x = 11,864,754.78

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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.