Home / 11,178,315.80-16,787,748.90-9,784,856.60

Finding the Fourth Proportional to 11,178,315.80, 16,787,748.90 and 9,784,856.60

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Solution

The fourth proportional to 11,178,315.80, 16,787,748.90 and 9,784,856.60 is: 14,695,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,315.80 : 16,787,748.90 = 9,784,856.60 : x
  2. Step 2: Convert to fraction form
    11,178,315.80/16,787,748.90 = 9,784,856.60/x
  3. Step 3: Cross multiply
    11,178,315.80x = 16,787,748.90 × 9,784,856.60
  4. Step 4: Simplify right side
    11,178,315.80x = 164,265,715,623,307.72
  5. Step 5: Solve for x
    x = 164,265,715,623,307.72/11,178,315.80
  6. Step 6: Final answer
    x = 14,695,032.65

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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.