Home / 8,729,950.34-12,043,158.90-6,782,885.30

Finding the Fourth Proportional to 8,729,950.34, 12,043,158.90 and 6,782,885.30

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Solution

The fourth proportional to 8,729,950.34, 12,043,158.90 and 6,782,885.30 is: 9,357,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,950.34 : 12,043,158.90 = 6,782,885.30 : x
  2. Step 2: Convert to fraction form
    8,729,950.34/12,043,158.90 = 6,782,885.30/x
  3. Step 3: Cross multiply
    8,729,950.34x = 12,043,158.90 × 6,782,885.30
  4. Step 4: Simplify right side
    8,729,950.34x = 81,687,365,468,374.17
  5. Step 5: Solve for x
    x = 81,687,365,468,374.17/8,729,950.34
  6. Step 6: Final answer
    x = 9,357,139.76

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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.