Home / 8,238,368.40-12,359,885.40-2,559,166.80

Finding the Fourth Proportional to 8,238,368.40, 12,359,885.40 and 2,559,166.80

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Solution

The fourth proportional to 8,238,368.40, 12,359,885.40 and 2,559,166.80 is: 3,839,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,368.40 : 12,359,885.40 = 2,559,166.80 : x
  2. Step 2: Convert to fraction form
    8,238,368.40/12,359,885.40 = 2,559,166.80/x
  3. Step 3: Cross multiply
    8,238,368.40x = 12,359,885.40 × 2,559,166.80
  4. Step 4: Simplify right side
    8,238,368.40x = 31,631,008,367,484.72
  5. Step 5: Solve for x
    x = 31,631,008,367,484.72/8,238,368.40
  6. Step 6: Final answer
    x = 3,839,474.86

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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.