Home / 11,880,302.40-16,394,823.90-6,447,794.40

Finding the Fourth Proportional to 11,880,302.40, 16,394,823.90 and 6,447,794.40

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Solution

The fourth proportional to 11,880,302.40, 16,394,823.90 and 6,447,794.40 is: 8,897,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,302.40 : 16,394,823.90 = 6,447,794.40 : x
  2. Step 2: Convert to fraction form
    11,880,302.40/16,394,823.90 = 6,447,794.40/x
  3. Step 3: Cross multiply
    11,880,302.40x = 16,394,823.90 × 6,447,794.40
  4. Step 4: Simplify right side
    11,880,302.40x = 105,710,453,731,406.17
  5. Step 5: Solve for x
    x = 105,710,453,731,406.17/11,880,302.40
  6. Step 6: Final answer
    x = 8,897,959.85

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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.