Home / 8,708,655.20-12,018,252.55-4,788,709.66

Finding the Fourth Proportional to 8,708,655.20, 12,018,252.55 and 4,788,709.66

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Solution

The fourth proportional to 8,708,655.20, 12,018,252.55 and 4,788,709.66 is: 6,608,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,655.20 : 12,018,252.55 = 4,788,709.66 : x
  2. Step 2: Convert to fraction form
    8,708,655.20/12,018,252.55 = 4,788,709.66/x
  3. Step 3: Cross multiply
    8,708,655.20x = 12,018,252.55 × 4,788,709.66
  4. Step 4: Simplify right side
    8,708,655.20x = 57,551,922,082,504.64
  5. Step 5: Solve for x
    x = 57,551,922,082,504.64/8,708,655.20
  6. Step 6: Final answer
    x = 6,608,588.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.